Finding the Fourth Proportional to 392,502.65, 541,663.61 and 220,434.35
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Solution
The fourth proportional to 392,502.65, 541,663.61 and 220,434.35 is: 304,204.99
Step by Step Solution
- Step 1: Write the proportion equation
392,502.65 : 541,663.61 = 220,434.35 : x - Step 2: Convert to fraction form
392,502.65/541,663.61 = 220,434.35/x - Step 3: Cross multiply
392,502.65x = 541,663.61 × 220,434.35 - Step 4: Simplify right side
392,502.65x = 119,401,264,686.83 - Step 5: Solve for x
x = 119,401,264,686.83/392,502.65 - Step 6: Final answer
x = 304,204.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.