Finding the Fourth Proportional to 234,132.90, 351,057.12 and 91,807.65
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Solution
The fourth proportional to 234,132.90, 351,057.12 and 91,807.65 is: 137,655.70
Step by Step Solution
- Step 1: Write the proportion equation
234,132.90 : 351,057.12 = 91,807.65 : x - Step 2: Convert to fraction form
234,132.90/351,057.12 = 91,807.65/x - Step 3: Cross multiply
234,132.90x = 351,057.12 × 91,807.65 - Step 4: Simplify right side
234,132.90x = 32,229,729,202.97 - Step 5: Solve for x
x = 32,229,729,202.97/234,132.90 - Step 6: Final answer
x = 137,655.70
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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.