Finding the Fourth Proportional to 372,635.46, 514,233.69 and 202,869.18
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Solution
The fourth proportional to 372,635.46, 514,233.69 and 202,869.18 is: 279,957.70
Step by Step Solution
- Step 1: Write the proportion equation
372,635.46 : 514,233.69 = 202,869.18 : x - Step 2: Convert to fraction form
372,635.46/514,233.69 = 202,869.18/x - Step 3: Cross multiply
372,635.46x = 514,233.69 × 202,869.18 - Step 4: Simplify right side
372,635.46x = 104,322,167,018.67 - Step 5: Solve for x
x = 104,322,167,018.67/372,635.46 - Step 6: Final answer
x = 279,957.70
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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.