Finding the Fourth Proportional to 542,837.70, 814,256.55 and 227,261.70
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Solution
The fourth proportional to 542,837.70, 814,256.55 and 227,261.70 is: 340,892.55
Step by Step Solution
- Step 1: Write the proportion equation
542,837.70 : 814,256.55 = 227,261.70 : x - Step 2: Convert to fraction form
542,837.70/814,256.55 = 227,261.70/x - Step 3: Cross multiply
542,837.70x = 814,256.55 × 227,261.70 - Step 4: Simplify right side
542,837.70x = 185,049,327,789.14 - Step 5: Solve for x
x = 185,049,327,789.14/542,837.70 - Step 6: Final answer
x = 340,892.55
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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.