Finding the Fourth Proportional to 721,471.58, 1,082,354.97 and 248,095.46
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Solution
The fourth proportional to 721,471.58, 1,082,354.97 and 248,095.46 is: 372,193.95
Step by Step Solution
- Step 1: Write the proportion equation
721,471.58 : 1,082,354.97 = 248,095.46 : x - Step 2: Convert to fraction form
721,471.58/1,082,354.97 = 248,095.46/x - Step 3: Cross multiply
721,471.58x = 1,082,354.97 × 248,095.46 - Step 4: Simplify right side
721,471.58x = 268,527,354,165.44 - Step 5: Solve for x
x = 268,527,354,165.44/721,471.58 - Step 6: Final answer
x = 372,193.95
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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.