Finding the Fourth Proportional to 239,882.04, 331,050.18 and 132,451.74
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Solution
The fourth proportional to 239,882.04, 331,050.18 and 132,451.74 is: 182,790.56
Step by Step Solution
- Step 1: Write the proportion equation
239,882.04 : 331,050.18 = 132,451.74 : x - Step 2: Convert to fraction form
239,882.04/331,050.18 = 132,451.74/x - Step 3: Cross multiply
239,882.04x = 331,050.18 × 132,451.74 - Step 4: Simplify right side
239,882.04x = 43,848,172,368.31 - Step 5: Solve for x
x = 43,848,172,368.31/239,882.04 - Step 6: Final answer
x = 182,790.56
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.