Finding the Fourth Proportional to 315,023,430.96, 434,732,346 and 173,894,688
Calculator
Solution
The fourth proportional to 315,023,430.96, 434,732,346 and 173,894,688 is: 239,974,675.66
Step by Step Solution
- Step 1: Write the proportion equation
315,023,430.96 : 434,732,346 = 173,894,688 : x - Step 2: Convert to fraction form
315,023,430.96/434,732,346 = 173,894,688/x - Step 3: Cross multiply
315,023,430.96x = 434,732,346 × 173,894,688 - Step 4: Simplify right side
315,023,430.96x = 75,597,645,671,178,048 - Step 5: Solve for x
x = 75,597,645,671,178,048/315,023,430.96 - Step 6: Final answer
x = 239,974,675.66
Related Problems
Find fourth proportional to 157,511,715.48, 217,366,173 and 86,947,344
Half scale
Find fourth proportional to 630,046,861.92, 869,464,692 and 347,789,376
Double scale
Find fourth proportional to 315,023,431.96, 434,732,347.38 and 173,894,689
Similar ratio
Find fourth proportional to 472,535,146.44, 652,098,519 and 260,842,032
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.