Finding the Fourth Proportional to 656,275.14, 905,660.28 and 354,469.14
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Solution
The fourth proportional to 656,275.14, 905,660.28 and 354,469.14 is: 489,167.73
Step by Step Solution
- Step 1: Write the proportion equation
656,275.14 : 905,660.28 = 354,469.14 : x - Step 2: Convert to fraction form
656,275.14/905,660.28 = 354,469.14/x - Step 3: Cross multiply
656,275.14x = 905,660.28 × 354,469.14 - Step 4: Simplify right side
656,275.14x = 321,028,620,583.76 - Step 5: Solve for x
x = 321,028,620,583.76/656,275.14 - Step 6: Final answer
x = 489,167.73
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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.