Finding the Fourth Proportional to 115,414.40, 173,251.20 and 89,235.20
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Solution
The fourth proportional to 115,414.40, 173,251.20 and 89,235.20 is: 133,953.00
Step by Step Solution
- Step 1: Write the proportion equation
115,414.40 : 173,251.20 = 89,235.20 : x - Step 2: Convert to fraction form
115,414.40/173,251.20 = 89,235.20/x - Step 3: Cross multiply
115,414.40x = 173,251.20 × 89,235.20 - Step 4: Simplify right side
115,414.40x = 15,460,105,482.24 - Step 5: Solve for x
x = 15,460,105,482.24/115,414.40 - Step 6: Final answer
x = 133,953.00
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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.