Home / 455,336.28-683,013.69-156,160.76

Finding the Fourth Proportional to 455,336.28, 683,013.69 and 156,160.76

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Solution

The fourth proportional to 455,336.28, 683,013.69 and 156,160.76 is: 234,244.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,336.28 : 683,013.69 = 156,160.76 : x
  2. Step 2: Convert to fraction form
    455,336.28/683,013.69 = 156,160.76/x
  3. Step 3: Cross multiply
    455,336.28x = 683,013.69 × 156,160.76
  4. Step 4: Simplify right side
    455,336.28x = 106,659,933,505.74
  5. Step 5: Solve for x
    x = 106,659,933,505.74/455,336.28
  6. Step 6: Final answer
    x = 234,244.31

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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.