Home / 374,630.20-561,945.30-137,923.90

Finding the Fourth Proportional to 374,630.20, 561,945.30 and 137,923.90

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Solution

The fourth proportional to 374,630.20, 561,945.30 and 137,923.90 is: 206,885.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,630.20 : 561,945.30 = 137,923.90 : x
  2. Step 2: Convert to fraction form
    374,630.20/561,945.30 = 137,923.90/x
  3. Step 3: Cross multiply
    374,630.20x = 561,945.30 × 137,923.90
  4. Step 4: Simplify right side
    374,630.20x = 77,505,687,362.67
  5. Step 5: Solve for x
    x = 77,505,687,362.67/374,630.20
  6. Step 6: Final answer
    x = 206,885.85

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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.