Finding the Fourth Proportional to 271,292.12, 406,854.98 and 187,590.12
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Solution
The fourth proportional to 271,292.12, 406,854.98 and 187,590.12 is: 281,327.65
Step by Step Solution
- Step 1: Write the proportion equation
271,292.12 : 406,854.98 = 187,590.12 : x - Step 2: Convert to fraction form
271,292.12/406,854.98 = 187,590.12/x - Step 3: Cross multiply
271,292.12x = 406,854.98 × 187,590.12 - Step 4: Simplify right side
271,292.12x = 76,321,974,520.80 - Step 5: Solve for x
x = 76,321,974,520.80/271,292.12 - Step 6: Final answer
x = 281,327.65
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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.