Finding the Fourth Proportional to 87,291.11, 130,934.07 and 24,115.02
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Solution
The fourth proportional to 87,291.11, 130,934.07 and 24,115.02 is: 36,171.82
Step by Step Solution
- Step 1: Write the proportion equation
87,291.11 : 130,934.07 = 24,115.02 : x - Step 2: Convert to fraction form
87,291.11/130,934.07 = 24,115.02/x - Step 3: Cross multiply
87,291.11x = 130,934.07 × 24,115.02 - Step 4: Simplify right side
87,291.11x = 3,157,477,716.73 - Step 5: Solve for x
x = 3,157,477,716.73/87,291.11 - Step 6: Final answer
x = 36,171.82
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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.