Finding the Fourth Proportional to 313,011.24, 469,508.49 and 88,387.17
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Solution
The fourth proportional to 313,011.24, 469,508.49 and 88,387.17 is: 132,578.39
Step by Step Solution
- Step 1: Write the proportion equation
313,011.24 : 469,508.49 = 88,387.17 : x - Step 2: Convert to fraction form
313,011.24/469,508.49 = 88,387.17/x - Step 3: Cross multiply
313,011.24x = 469,508.49 × 88,387.17 - Step 4: Simplify right side
313,011.24x = 41,498,526,722.07 - Step 5: Solve for x
x = 41,498,526,722.07/313,011.24 - Step 6: Final answer
x = 132,578.39
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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.