Finding the Fourth Proportional to 254,438.13, 381,832.17 and 88,226.13
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Solution
The fourth proportional to 254,438.13, 381,832.17 and 88,226.13 is: 132,399.87
Step by Step Solution
- Step 1: Write the proportion equation
254,438.13 : 381,832.17 = 88,226.13 : x - Step 2: Convert to fraction form
254,438.13/381,832.17 = 88,226.13/x - Step 3: Cross multiply
254,438.13x = 381,832.17 × 88,226.13 - Step 4: Simplify right side
254,438.13x = 33,687,574,668.60 - Step 5: Solve for x
x = 33,687,574,668.60/254,438.13 - Step 6: Final answer
x = 132,399.87
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1.5x scale
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.