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Finding the Fourth Proportional to 283,419.03, 425,121.45 and 114,894.29

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Solution

The fourth proportional to 283,419.03, 425,121.45 and 114,894.29 is: 172,338.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,419.03 : 425,121.45 = 114,894.29 : x
  2. Step 2: Convert to fraction form
    283,419.03/425,121.45 = 114,894.29/x
  3. Step 3: Cross multiply
    283,419.03x = 425,121.45 × 114,894.29
  4. Step 4: Simplify right side
    283,419.03x = 48,844,025,035.91
  5. Step 5: Solve for x
    x = 48,844,025,035.91/283,419.03
  6. Step 6: Final answer
    x = 172,338.55

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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.