Finding the Fourth Proportional to 509,569.92, 764,372.16 and 135,593.28
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Solution
The fourth proportional to 509,569.92, 764,372.16 and 135,593.28 is: 203,394.52
Step by Step Solution
- Step 1: Write the proportion equation
509,569.92 : 764,372.16 = 135,593.28 : x - Step 2: Convert to fraction form
509,569.92/764,372.16 = 135,593.28/x - Step 3: Cross multiply
509,569.92x = 764,372.16 × 135,593.28 - Step 4: Simplify right side
509,569.92x = 103,643,728,315.09 - Step 5: Solve for x
x = 103,643,728,315.09/509,569.92 - Step 6: Final answer
x = 203,394.52
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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.