Finding the Fourth Proportional to 154,966.20, 232,449.30 and 55,129.65
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Solution
The fourth proportional to 154,966.20, 232,449.30 and 55,129.65 is: 82,694.48
Step by Step Solution
- Step 1: Write the proportion equation
154,966.20 : 232,449.30 = 55,129.65 : x - Step 2: Convert to fraction form
154,966.20/232,449.30 = 55,129.65/x - Step 3: Cross multiply
154,966.20x = 232,449.30 × 55,129.65 - Step 4: Simplify right side
154,966.20x = 12,814,848,551.75 - Step 5: Solve for x
x = 12,814,848,551.75/154,966.20 - Step 6: Final answer
x = 82,694.48
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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.