Finding the Fourth Proportional to 523,987.92, 786,134.97 and 168,994.08
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Solution
The fourth proportional to 523,987.92, 786,134.97 and 168,994.08 is: 253,540.49
Step by Step Solution
- Step 1: Write the proportion equation
523,987.92 : 786,134.97 = 168,994.08 : x - Step 2: Convert to fraction form
523,987.92/786,134.97 = 168,994.08/x - Step 3: Cross multiply
523,987.92x = 786,134.97 × 168,994.08 - Step 4: Simplify right side
523,987.92x = 132,852,156,010.98 - Step 5: Solve for x
x = 132,852,156,010.98/523,987.92 - Step 6: Final answer
x = 253,540.49
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Double scale
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Similar ratio
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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.