Finding the Fourth Proportional to 667,990.62, 1,001,987.96 and 162,551.68
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Solution
The fourth proportional to 667,990.62, 1,001,987.96 and 162,551.68 is: 243,828.01
Step by Step Solution
- Step 1: Write the proportion equation
667,990.62 : 1,001,987.96 = 162,551.68 : x - Step 2: Convert to fraction form
667,990.62/1,001,987.96 = 162,551.68/x - Step 3: Cross multiply
667,990.62x = 1,001,987.96 × 162,551.68 - Step 4: Simplify right side
667,990.62x = 162,874,822,920.05 - Step 5: Solve for x
x = 162,874,822,920.05/667,990.62 - Step 6: Final answer
x = 243,828.01
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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.