Finding the Fourth Proportional to 283,939.62, 425,904.36 and 84,394.90
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Solution
The fourth proportional to 283,939.62, 425,904.36 and 84,394.90 is: 126,590.84
Step by Step Solution
- Step 1: Write the proportion equation
283,939.62 : 425,904.36 = 84,394.90 : x - Step 2: Convert to fraction form
283,939.62/425,904.36 = 84,394.90/x - Step 3: Cross multiply
283,939.62x = 425,904.36 × 84,394.90 - Step 4: Simplify right side
283,939.62x = 35,944,155,871.76 - Step 5: Solve for x
x = 35,944,155,871.76/283,939.62 - Step 6: Final answer
x = 126,590.84
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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.