Finding the Fourth Proportional to 237,910.75, 356,753.12 and 138,101.53
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Solution
The fourth proportional to 237,910.75, 356,753.12 and 138,101.53 is: 207,086.70
Step by Step Solution
- Step 1: Write the proportion equation
237,910.75 : 356,753.12 = 138,101.53 : x - Step 2: Convert to fraction form
237,910.75/356,753.12 = 138,101.53/x - Step 3: Cross multiply
237,910.75x = 356,753.12 × 138,101.53 - Step 4: Simplify right side
237,910.75x = 49,268,151,704.27 - Step 5: Solve for x
x = 49,268,151,704.27/237,910.75 - Step 6: Final answer
x = 207,086.70
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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.