Finding the Fourth Proportional to 226,690.74, 339,569.28 and 132,970.50
Calculator
Solution
The fourth proportional to 226,690.74, 339,569.28 and 132,970.50 is: 199,181.92
Step by Step Solution
- Step 1: Write the proportion equation
226,690.74 : 339,569.28 = 132,970.50 : x - Step 2: Convert to fraction form
226,690.74/339,569.28 = 132,970.50/x - Step 3: Cross multiply
226,690.74x = 339,569.28 × 132,970.50 - Step 4: Simplify right side
226,690.74x = 45,152,696,946.24 - Step 5: Solve for x
x = 45,152,696,946.24/226,690.74 - Step 6: Final answer
x = 199,181.92
Related Problems
Find fourth proportional to 113,345.37, 169,784.64 and 66,485.25
Half scale
Find fourth proportional to 453,381.48, 679,138.56 and 265,941
Double scale
Find fourth proportional to 226,691.74, 339,570.78 and 132,971.50
Similar ratio
Find fourth proportional to 340,036.11, 509,353.92 and 199,455.75
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.