Finding the Fourth Proportional to 487,231.65, 730,847.12 and 132,297.75
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Solution
The fourth proportional to 487,231.65, 730,847.12 and 132,297.75 is: 198,446.53
Step by Step Solution
- Step 1: Write the proportion equation
487,231.65 : 730,847.12 = 132,297.75 : x - Step 2: Convert to fraction form
487,231.65/730,847.12 = 132,297.75/x - Step 3: Cross multiply
487,231.65x = 730,847.12 × 132,297.75 - Step 4: Simplify right side
487,231.65x = 96,689,428,908.49 - Step 5: Solve for x
x = 96,689,428,908.49/487,231.65 - Step 6: Final answer
x = 198,446.53
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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.