Finding the Fourth Proportional to 283,549.48, 425,324.21 and 83,854.31
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Solution
The fourth proportional to 283,549.48, 425,324.21 and 83,854.31 is: 125,781.45
Step by Step Solution
- Step 1: Write the proportion equation
283,549.48 : 425,324.21 = 83,854.31 : x - Step 2: Convert to fraction form
283,549.48/425,324.21 = 83,854.31/x - Step 3: Cross multiply
283,549.48x = 425,324.21 × 83,854.31 - Step 4: Simplify right side
283,549.48x = 35,665,265,609.95 - Step 5: Solve for x
x = 35,665,265,609.95/283,549.48 - Step 6: Final answer
x = 125,781.45
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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.