Home / 187,249.30-280,865.31-47,004.82

Finding the Fourth Proportional to 187,249.30, 280,865.31 and 47,004.82

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Solution

The fourth proportional to 187,249.30, 280,865.31 and 47,004.82 is: 70,505.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,249.30 : 280,865.31 = 47,004.82 : x
  2. Step 2: Convert to fraction form
    187,249.30/280,865.31 = 47,004.82/x
  3. Step 3: Cross multiply
    187,249.30x = 280,865.31 × 47,004.82
  4. Step 4: Simplify right side
    187,249.30x = 13,202,023,340.79
  5. Step 5: Solve for x
    x = 13,202,023,340.79/187,249.30
  6. Step 6: Final answer
    x = 70,505.06

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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.