Home / 374,308.20-561,462.30-137,601.90

Finding the Fourth Proportional to 374,308.20, 561,462.30 and 137,601.90

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Solution

The fourth proportional to 374,308.20, 561,462.30 and 137,601.90 is: 206,402.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,308.20 : 561,462.30 = 137,601.90 : x
  2. Step 2: Convert to fraction form
    374,308.20/561,462.30 = 137,601.90/x
  3. Step 3: Cross multiply
    374,308.20x = 561,462.30 × 137,601.90
  4. Step 4: Simplify right side
    374,308.20x = 77,258,279,258.37
  5. Step 5: Solve for x
    x = 77,258,279,258.37/374,308.20
  6. Step 6: Final answer
    x = 206,402.85

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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.