Finding the Fourth Proportional to 393,215.85, 588,555.12 and 203,414.85
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Solution
The fourth proportional to 393,215.85, 588,555.12 and 203,414.85 is: 304,465.99
Step by Step Solution
- Step 1: Write the proportion equation
393,215.85 : 588,555.12 = 203,414.85 : x - Step 2: Convert to fraction form
393,215.85/588,555.12 = 203,414.85/x - Step 3: Cross multiply
393,215.85x = 588,555.12 × 203,414.85 - Step 4: Simplify right side
393,215.85x = 119,720,851,451.53 - Step 5: Solve for x
x = 119,720,851,451.53/393,215.85 - Step 6: Final answer
x = 304,465.99
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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.