Home / 409,006.38-613,789.85-142,766.93

Finding the Fourth Proportional to 409,006.38, 613,789.85 and 142,766.93

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Solution

The fourth proportional to 409,006.38, 613,789.85 and 142,766.93 is: 214,248.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,006.38 : 613,789.85 = 142,766.93 : x
  2. Step 2: Convert to fraction form
    409,006.38/613,789.85 = 142,766.93/x
  3. Step 3: Cross multiply
    409,006.38x = 613,789.85 × 142,766.93
  4. Step 4: Simplify right side
    409,006.38x = 87,628,888,766.88
  5. Step 5: Solve for x
    x = 87,628,888,766.88/409,006.38
  6. Step 6: Final answer
    x = 214,248.22

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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.