Home / 240,310.63-331,772.57-149,789.21

Finding the Fourth Proportional to 240,310.63, 331,772.57 and 149,789.21

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Solution

The fourth proportional to 240,310.63, 331,772.57 and 149,789.21 is: 206,798.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,310.63 : 331,772.57 = 149,789.21 : x
  2. Step 2: Convert to fraction form
    240,310.63/331,772.57 = 149,789.21/x
  3. Step 3: Cross multiply
    240,310.63x = 331,772.57 × 149,789.21
  4. Step 4: Simplify right side
    240,310.63x = 49,695,951,159.97
  5. Step 5: Solve for x
    x = 49,695,951,159.97/240,310.63
  6. Step 6: Final answer
    x = 206,798.81

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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.