Home / 454,504.34-681,756.52-138,961.24

Finding the Fourth Proportional to 454,504.34, 681,756.52 and 138,961.24

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Solution

The fourth proportional to 454,504.34, 681,756.52 and 138,961.24 is: 208,441.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,504.34 : 681,756.52 = 138,961.24 : x
  2. Step 2: Convert to fraction form
    454,504.34/681,756.52 = 138,961.24/x
  3. Step 3: Cross multiply
    454,504.34x = 681,756.52 × 138,961.24
  4. Step 4: Simplify right side
    454,504.34x = 94,737,731,397.28
  5. Step 5: Solve for x
    x = 94,737,731,397.28/454,504.34
  6. Step 6: Final answer
    x = 208,441.86

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Similar ratio
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1.5x scale

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.