Finding the Fourth Proportional to 375,893.59, 518,701.05 and 212,542.08
Calculator
Solution
The fourth proportional to 375,893.59, 518,701.05 and 212,542.08 is: 293,289.92
Step by Step Solution
- Step 1: Write the proportion equation
375,893.59 : 518,701.05 = 212,542.08 : x - Step 2: Convert to fraction form
375,893.59/518,701.05 = 212,542.08/x - Step 3: Cross multiply
375,893.59x = 518,701.05 × 212,542.08 - Step 4: Simplify right side
375,893.59x = 110,245,800,065.18 - Step 5: Solve for x
x = 110,245,800,065.18/375,893.59 - Step 6: Final answer
x = 293,289.92
Related Problems
Find fourth proportional to 187,946.79, 259,350.53 and 106,271.04
Half scale
Find fourth proportional to 751,787.17, 1,037,402.10 and 425,084.16
Double scale
Find fourth proportional to 375,894.59, 518,702.43 and 212,543.08
Similar ratio
Find fourth proportional to 563,840.38, 778,051.58 and 318,813.12
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.