Finding the Fourth Proportional to 147,089.52, 220,707.18 and 58,341.12
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Solution
The fourth proportional to 147,089.52, 220,707.18 and 58,341.12 is: 87,540.59
Step by Step Solution
- Step 1: Write the proportion equation
147,089.52 : 220,707.18 = 58,341.12 : x - Step 2: Convert to fraction form
147,089.52/220,707.18 = 58,341.12/x - Step 3: Cross multiply
147,089.52x = 220,707.18 × 58,341.12 - Step 4: Simplify right side
147,089.52x = 12,876,304,073.24 - Step 5: Solve for x
x = 12,876,304,073.24/147,089.52 - Step 6: Final answer
x = 87,540.59
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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.