Finding the Fourth Proportional to 416,908.49, 625,356.14 and 132,594.95
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Solution
The fourth proportional to 416,908.49, 625,356.14 and 132,594.95 is: 198,890.32
Step by Step Solution
- Step 1: Write the proportion equation
416,908.49 : 625,356.14 = 132,594.95 : x - Step 2: Convert to fraction form
416,908.49/625,356.14 = 132,594.95/x - Step 3: Cross multiply
416,908.49x = 625,356.14 × 132,594.95 - Step 4: Simplify right side
416,908.49x = 82,919,062,325.74 - Step 5: Solve for x
x = 82,919,062,325.74/416,908.49 - Step 6: Final answer
x = 198,890.32
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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.