Finding the Fourth Proportional to 514,474.40, 771,711.91 and 214,791.62
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Solution
The fourth proportional to 514,474.40, 771,711.91 and 214,791.62 is: 322,187.55
Step by Step Solution
- Step 1: Write the proportion equation
514,474.40 : 771,711.91 = 214,791.62 : x - Step 2: Convert to fraction form
514,474.40/771,711.91 = 214,791.62/x - Step 3: Cross multiply
514,474.40x = 771,711.91 × 214,791.62 - Step 4: Simplify right side
514,474.40x = 165,757,246,926.66 - Step 5: Solve for x
x = 165,757,246,926.66/514,474.40 - Step 6: Final answer
x = 322,187.55
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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.