Finding the Fourth Proportional to 667,171.68, 1,000,759.52 and 161,730.68
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Solution
The fourth proportional to 667,171.68, 1,000,759.52 and 161,730.68 is: 242,596.50
Step by Step Solution
- Step 1: Write the proportion equation
667,171.68 : 1,000,759.52 = 161,730.68 : x - Step 2: Convert to fraction form
667,171.68/1,000,759.52 = 161,730.68/x - Step 3: Cross multiply
667,171.68x = 1,000,759.52 × 161,730.68 - Step 4: Simplify right side
667,171.68x = 161,853,517,686.07 - Step 5: Solve for x
x = 161,853,517,686.07/667,171.68 - Step 6: Final answer
x = 242,596.50
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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.