Finding the Fourth Proportional to 392,297.99, 588,446.99 and 111,807.95
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Solution
The fourth proportional to 392,297.99, 588,446.99 and 111,807.95 is: 167,711.92
Step by Step Solution
- Step 1: Write the proportion equation
392,297.99 : 588,446.99 = 111,807.95 : x - Step 2: Convert to fraction form
392,297.99/588,446.99 = 111,807.95/x - Step 3: Cross multiply
392,297.99x = 588,446.99 × 111,807.95 - Step 4: Simplify right side
392,297.99x = 65,793,048,134.30 - Step 5: Solve for x
x = 65,793,048,134.30/392,297.99 - Step 6: Final answer
x = 167,711.92
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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.