Finding the Fourth Proportional to 275,207.17, 379,789.97 and 160,482.62
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Solution
The fourth proportional to 275,207.17, 379,789.97 and 160,482.62 is: 221,468.39
Step by Step Solution
- Step 1: Write the proportion equation
275,207.17 : 379,789.97 = 160,482.62 : x - Step 2: Convert to fraction form
275,207.17/379,789.97 = 160,482.62/x - Step 3: Cross multiply
275,207.17x = 379,789.97 × 160,482.62 - Step 4: Simplify right side
275,207.17x = 60,949,687,446.06 - Step 5: Solve for x
x = 60,949,687,446.06/275,207.17 - Step 6: Final answer
x = 221,468.39
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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.