Finding the Fourth Proportional to 279,376.67, 418,397.97 and 160,798.75
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Solution
The fourth proportional to 279,376.67, 418,397.97 and 160,798.75 is: 240,814.20
Step by Step Solution
- Step 1: Write the proportion equation
279,376.67 : 418,397.97 = 160,798.75 : x - Step 2: Convert to fraction form
279,376.67/418,397.97 = 160,798.75/x - Step 3: Cross multiply
279,376.67x = 418,397.97 × 160,798.75 - Step 4: Simplify right side
279,376.67x = 67,277,870,578.54 - Step 5: Solve for x
x = 67,277,870,578.54/279,376.67 - Step 6: Final answer
x = 240,814.20
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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.