Home / 275,535.24-412,908.14-156,961.72

Finding the Fourth Proportional to 275,535.24, 412,908.14 and 156,961.72

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Solution

The fourth proportional to 275,535.24, 412,908.14 and 156,961.72 is: 235,217.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,535.24 : 412,908.14 = 156,961.72 : x
  2. Step 2: Convert to fraction form
    275,535.24/412,908.14 = 156,961.72/x
  3. Step 3: Cross multiply
    275,535.24x = 412,908.14 × 156,961.72
  4. Step 4: Simplify right side
    275,535.24x = 64,810,771,856.40
  5. Step 5: Solve for x
    x = 64,810,771,856.40/275,535.24
  6. Step 6: Final answer
    x = 235,217.72

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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.