Finding the Fourth Proportional to 667,414.62, 1,001,113.56 and 161,979.75
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Solution
The fourth proportional to 667,414.62, 1,001,113.56 and 161,979.75 is: 242,967.59
Step by Step Solution
- Step 1: Write the proportion equation
667,414.62 : 1,001,113.56 = 161,979.75 : x - Step 2: Convert to fraction form
667,414.62/1,001,113.56 = 161,979.75/x - Step 3: Cross multiply
667,414.62x = 1,001,113.56 × 161,979.75 - Step 4: Simplify right side
667,414.62x = 162,160,124,170.41 - Step 5: Solve for x
x = 162,160,124,170.41/667,414.62 - Step 6: Final answer
x = 242,967.59
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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.