Finding the Fourth Proportional to 409,909.08, 614,882.46 and 125,579.24
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Solution
The fourth proportional to 409,909.08, 614,882.46 and 125,579.24 is: 188,374.63
Step by Step Solution
- Step 1: Write the proportion equation
409,909.08 : 614,882.46 = 125,579.24 : x - Step 2: Convert to fraction form
409,909.08/614,882.46 = 125,579.24/x - Step 3: Cross multiply
409,909.08x = 614,882.46 × 125,579.24 - Step 4: Simplify right side
409,909.08x = 77,216,472,016.13 - Step 5: Solve for x
x = 77,216,472,016.13/409,909.08 - Step 6: Final answer
x = 188,374.63
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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.