Finding the Fourth Proportional to 877,545.92, 1,316,318.88 and 212,697.92
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Solution
The fourth proportional to 877,545.92, 1,316,318.88 and 212,697.92 is: 319,046.88
Step by Step Solution
- Step 1: Write the proportion equation
877,545.92 : 1,316,318.88 = 212,697.92 : x - Step 2: Convert to fraction form
877,545.92/1,316,318.88 = 212,697.92/x - Step 3: Cross multiply
877,545.92x = 1,316,318.88 × 212,697.92 - Step 4: Simplify right side
877,545.92x = 279,978,287,832.73 - Step 5: Solve for x
x = 279,978,287,832.73/877,545.92 - Step 6: Final answer
x = 319,046.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.