Finding the Fourth Proportional to 417,284.24, 625,919.51 and 132,970.97
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Solution
The fourth proportional to 417,284.24, 625,919.51 and 132,970.97 is: 199,454.28
Step by Step Solution
- Step 1: Write the proportion equation
417,284.24 : 625,919.51 = 132,970.97 : x - Step 2: Convert to fraction form
417,284.24/625,919.51 = 132,970.97/x - Step 3: Cross multiply
417,284.24x = 625,919.51 × 132,970.97 - Step 4: Simplify right side
417,284.24x = 83,229,126,283.85 - Step 5: Solve for x
x = 83,229,126,283.85/417,284.24 - Step 6: Final answer
x = 199,454.28
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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.