Finding the Fourth Proportional to 272,555.40, 408,833.10 and 270,805.80
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Solution
The fourth proportional to 272,555.40, 408,833.10 and 270,805.80 is: 406,208.70
Step by Step Solution
- Step 1: Write the proportion equation
272,555.40 : 408,833.10 = 270,805.80 : x - Step 2: Convert to fraction form
272,555.40/408,833.10 = 270,805.80/x - Step 3: Cross multiply
272,555.40x = 408,833.10 × 270,805.80 - Step 4: Simplify right side
272,555.40x = 110,714,374,711.98 - Step 5: Solve for x
x = 110,714,374,711.98/272,555.40 - Step 6: Final answer
x = 406,208.70
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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.