Finding the Fourth Proportional to 372,639.43, 514,251.66 and 202,882.87
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Solution
The fourth proportional to 372,639.43, 514,251.66 and 202,882.87 is: 279,983.39
Step by Step Solution
- Step 1: Write the proportion equation
372,639.43 : 514,251.66 = 202,882.87 : x - Step 2: Convert to fraction form
372,639.43/514,251.66 = 202,882.87/x - Step 3: Cross multiply
372,639.43x = 514,251.66 × 202,882.87 - Step 4: Simplify right side
372,639.43x = 104,332,852,683.06 - Step 5: Solve for x
x = 104,332,852,683.06/372,639.43 - Step 6: Final answer
x = 279,983.39
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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.