Finding the Fourth Proportional to 304,691.88, 420,468.12 and 177,364.80
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Solution
The fourth proportional to 304,691.88, 420,468.12 and 177,364.80 is: 244,759.54
Step by Step Solution
- Step 1: Write the proportion equation
304,691.88 : 420,468.12 = 177,364.80 : x - Step 2: Convert to fraction form
304,691.88/420,468.12 = 177,364.80/x - Step 3: Cross multiply
304,691.88x = 420,468.12 × 177,364.80 - Step 4: Simplify right side
304,691.88x = 74,576,244,010.18 - Step 5: Solve for x
x = 74,576,244,010.18/304,691.88 - Step 6: Final answer
x = 244,759.54
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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.