Home / 374,540.94-561,867.42-137,865.60

Finding the Fourth Proportional to 374,540.94, 561,867.42 and 137,865.60

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Solution

The fourth proportional to 374,540.94, 561,867.42 and 137,865.60 is: 206,819.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,540.94 : 561,867.42 = 137,865.60 : x
  2. Step 2: Convert to fraction form
    374,540.94/561,867.42 = 137,865.60/x
  3. Step 3: Cross multiply
    374,540.94x = 561,867.42 × 137,865.60
  4. Step 4: Simplify right side
    374,540.94x = 77,462,188,978.75
  5. Step 5: Solve for x
    x = 77,462,188,978.75/374,540.94
  6. Step 6: Final answer
    x = 206,819.02

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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.