Finding the Fourth Proportional to 283,805.70, 391,446.03 and 193,000.26
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Solution
The fourth proportional to 283,805.70, 391,446.03 and 193,000.26 is: 266,200.38
Step by Step Solution
- Step 1: Write the proportion equation
283,805.70 : 391,446.03 = 193,000.26 : x - Step 2: Convert to fraction form
283,805.70/391,446.03 = 193,000.26/x - Step 3: Cross multiply
283,805.70x = 391,446.03 × 193,000.26 - Step 4: Simplify right side
283,805.70x = 75,549,185,565.97 - Step 5: Solve for x
x = 75,549,185,565.97/283,805.70 - Step 6: Final answer
x = 266,200.38
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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.