Finding the Fourth Proportional to 406,517.76, 609,678.62 and 169,732.08
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Solution
The fourth proportional to 406,517.76, 609,678.62 and 169,732.08 is: 254,557.19
Step by Step Solution
- Step 1: Write the proportion equation
406,517.76 : 609,678.62 = 169,732.08 : x - Step 2: Convert to fraction form
406,517.76/609,678.62 = 169,732.08/x - Step 3: Cross multiply
406,517.76x = 609,678.62 × 169,732.08 - Step 4: Simplify right side
406,517.76x = 103,482,020,304.13 - Step 5: Solve for x
x = 103,482,020,304.13/406,517.76 - Step 6: Final answer
x = 254,557.19
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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.