Finding the Fourth Proportional to 88,815.99, 133,318.83 and 38,240.07
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Solution
The fourth proportional to 88,815.99, 133,318.83 and 38,240.07 is: 57,400.94
Step by Step Solution
- Step 1: Write the proportion equation
88,815.99 : 133,318.83 = 38,240.07 : x - Step 2: Convert to fraction form
88,815.99/133,318.83 = 38,240.07/x - Step 3: Cross multiply
88,815.99x = 133,318.83 × 38,240.07 - Step 4: Simplify right side
88,815.99x = 5,098,121,391.52 - Step 5: Solve for x
x = 5,098,121,391.52/88,815.99 - Step 6: Final answer
x = 57,400.94
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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.