Finding the Fourth Proportional to 392,211.61, 588,239.95 and 107,828.82
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Solution
The fourth proportional to 392,211.61, 588,239.95 and 107,828.82 is: 161,721.94
Step by Step Solution
- Step 1: Write the proportion equation
392,211.61 : 588,239.95 = 107,828.82 : x - Step 2: Convert to fraction form
392,211.61/588,239.95 = 107,828.82/x - Step 3: Cross multiply
392,211.61x = 588,239.95 × 107,828.82 - Step 4: Simplify right side
392,211.61x = 63,429,219,997.05 - Step 5: Solve for x
x = 63,429,219,997.05/392,211.61 - Step 6: Final answer
x = 161,721.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.