Finding the Fourth Proportional to 542,253.83, 748,310.36 and 300,551.99
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Solution
The fourth proportional to 542,253.83, 748,310.36 and 300,551.99 is: 414,761.78
Step by Step Solution
- Step 1: Write the proportion equation
542,253.83 : 748,310.36 = 300,551.99 : x - Step 2: Convert to fraction form
542,253.83/748,310.36 = 300,551.99/x - Step 3: Cross multiply
542,253.83x = 748,310.36 × 300,551.99 - Step 4: Simplify right side
542,253.83x = 224,906,162,591.31 - Step 5: Solve for x
x = 224,906,162,591.31/542,253.83 - Step 6: Final answer
x = 414,761.78
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.