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Finding the Fourth Proportional to 265,466.88, 398,249.28 and 75,919.36

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Solution

The fourth proportional to 265,466.88, 398,249.28 and 75,919.36 is: 113,893.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,466.88 : 398,249.28 = 75,919.36 : x
  2. Step 2: Convert to fraction form
    265,466.88/398,249.28 = 75,919.36/x
  3. Step 3: Cross multiply
    265,466.88x = 398,249.28 × 75,919.36
  4. Step 4: Simplify right side
    265,466.88x = 30,234,830,458.06
  5. Step 5: Solve for x
    x = 30,234,830,458.06/265,466.88
  6. Step 6: Final answer
    x = 113,893.04

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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.