Finding the Fourth Proportional to 283,531.98, 391,330.80 and 162,754.92
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Solution
The fourth proportional to 283,531.98, 391,330.80 and 162,754.92 is: 224,634.32
Step by Step Solution
- Step 1: Write the proportion equation
283,531.98 : 391,330.80 = 162,754.92 : x - Step 2: Convert to fraction form
283,531.98/391,330.80 = 162,754.92/x - Step 3: Cross multiply
283,531.98x = 391,330.80 × 162,754.92 - Step 4: Simplify right side
283,531.98x = 63,691,013,047.54 - Step 5: Solve for x
x = 63,691,013,047.54/283,531.98 - Step 6: Final answer
x = 224,634.32
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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.