Finding the Fourth Proportional to 357,891.62, 536,443.74 and 147,414.74
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Solution
The fourth proportional to 357,891.62, 536,443.74 and 147,414.74 is: 220,959.95
Step by Step Solution
- Step 1: Write the proportion equation
357,891.62 : 536,443.74 = 147,414.74 : x - Step 2: Convert to fraction form
357,891.62/536,443.74 = 147,414.74/x - Step 3: Cross multiply
357,891.62x = 536,443.74 × 147,414.74 - Step 4: Simplify right side
357,891.62x = 79,079,714,456.73 - Step 5: Solve for x
x = 79,079,714,456.73/357,891.62 - Step 6: Final answer
x = 220,959.95
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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.