Finding the Fourth Proportional to 638,201.20, 957,301.80 and 283,251.10
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Solution
The fourth proportional to 638,201.20, 957,301.80 and 283,251.10 is: 424,876.65
Step by Step Solution
- Step 1: Write the proportion equation
638,201.20 : 957,301.80 = 283,251.10 : x - Step 2: Convert to fraction form
638,201.20/957,301.80 = 283,251.10/x - Step 3: Cross multiply
638,201.20x = 957,301.80 × 283,251.10 - Step 4: Simplify right side
638,201.20x = 271,156,787,881.98 - Step 5: Solve for x
x = 271,156,787,881.98/638,201.20 - Step 6: Final answer
x = 424,876.65
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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.