Finding the Fourth Proportional to 409,108.26, 564,569.28 and 239,375.22
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Solution
The fourth proportional to 409,108.26, 564,569.28 and 239,375.22 is: 330,337.73
Step by Step Solution
- Step 1: Write the proportion equation
409,108.26 : 564,569.28 = 239,375.22 : x - Step 2: Convert to fraction form
409,108.26/564,569.28 = 239,375.22/x - Step 3: Cross multiply
409,108.26x = 564,569.28 × 239,375.22 - Step 4: Simplify right side
409,108.26x = 135,143,895,605.24 - Step 5: Solve for x
x = 135,143,895,605.24/409,108.26 - Step 6: Final answer
x = 330,337.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.