Home / 338,737.44-508,067.28-89,438.88

Finding the Fourth Proportional to 338,737.44, 508,067.28 and 89,438.88

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Solution

The fourth proportional to 338,737.44, 508,067.28 and 89,438.88 is: 134,148.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,737.44 : 508,067.28 = 89,438.88 : x
  2. Step 2: Convert to fraction form
    338,737.44/508,067.28 = 89,438.88/x
  3. Step 3: Cross multiply
    338,737.44x = 508,067.28 × 89,438.88
  4. Step 4: Simplify right side
    338,737.44x = 45,440,968,487.85
  5. Step 5: Solve for x
    x = 45,440,968,487.85/338,737.44
  6. Step 6: Final answer
    x = 134,148.05

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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.