Finding the Fourth Proportional to 272,577.84, 408,691.80 and 178,974.24
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Solution
The fourth proportional to 272,577.84, 408,691.80 and 178,974.24 is: 268,346.48
Step by Step Solution
- Step 1: Write the proportion equation
272,577.84 : 408,691.80 = 178,974.24 : x - Step 2: Convert to fraction form
272,577.84/408,691.80 = 178,974.24/x - Step 3: Cross multiply
272,577.84x = 408,691.80 × 178,974.24 - Step 4: Simplify right side
272,577.84x = 73,145,304,299.23 - Step 5: Solve for x
x = 73,145,304,299.23/272,577.84 - Step 6: Final answer
x = 268,346.48
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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.