Finding the Fourth Proportional to 508,160.97, 701,257.36 and 278,713.58
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Solution
The fourth proportional to 508,160.97, 701,257.36 and 278,713.58 is: 384,622.12
Step by Step Solution
- Step 1: Write the proportion equation
508,160.97 : 701,257.36 = 278,713.58 : x - Step 2: Convert to fraction form
508,160.97/701,257.36 = 278,713.58/x - Step 3: Cross multiply
508,160.97x = 701,257.36 × 278,713.58 - Step 4: Simplify right side
508,160.97x = 195,449,949,306.95 - Step 5: Solve for x
x = 195,449,949,306.95/508,160.97 - Step 6: Final answer
x = 384,622.12
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1.5x scale
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.