Finding the Fourth Proportional to 421,134.87, 631,633.10 and 151,207.13
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Solution
The fourth proportional to 421,134.87, 631,633.10 and 151,207.13 is: 226,785.85
Step by Step Solution
- Step 1: Write the proportion equation
421,134.87 : 631,633.10 = 151,207.13 : x - Step 2: Convert to fraction form
421,134.87/631,633.10 = 151,207.13/x - Step 3: Cross multiply
421,134.87x = 631,633.10 × 151,207.13 - Step 4: Simplify right side
421,134.87x = 95,507,428,264.00 - Step 5: Solve for x
x = 95,507,428,264.00/421,134.87 - Step 6: Final answer
x = 226,785.85
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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.