Finding the Fourth Proportional to 409,125.20, 613,687.80 and 373,695.80
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Solution
The fourth proportional to 409,125.20, 613,687.80 and 373,695.80 is: 560,543.70
Step by Step Solution
- Step 1: Write the proportion equation
409,125.20 : 613,687.80 = 373,695.80 : x - Step 2: Convert to fraction form
409,125.20/613,687.80 = 373,695.80/x - Step 3: Cross multiply
409,125.20x = 613,687.80 × 373,695.80 - Step 4: Simplify right side
409,125.20x = 229,332,553,371.24 - Step 5: Solve for x
x = 229,332,553,371.24/409,125.20 - Step 6: Final answer
x = 560,543.70
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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.