Finding the Fourth Proportional to 542,258.20, 813,387.30 and 276,537.70
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Solution
The fourth proportional to 542,258.20, 813,387.30 and 276,537.70 is: 414,806.55
Step by Step Solution
- Step 1: Write the proportion equation
542,258.20 : 813,387.30 = 276,537.70 : x - Step 2: Convert to fraction form
542,258.20/813,387.30 = 276,537.70/x - Step 3: Cross multiply
542,258.20x = 813,387.30 × 276,537.70 - Step 4: Simplify right side
542,258.20x = 224,932,253,151.21 - Step 5: Solve for x
x = 224,932,253,151.21/542,258.20 - Step 6: Final answer
x = 414,806.55
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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.