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Finding the Fourth Proportional to 303,239.80, 454,969.05 and 125,801.20

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Solution

The fourth proportional to 303,239.80, 454,969.05 and 125,801.20 is: 188,747.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,239.80 : 454,969.05 = 125,801.20 : x
  2. Step 2: Convert to fraction form
    303,239.80/454,969.05 = 125,801.20/x
  3. Step 3: Cross multiply
    303,239.80x = 454,969.05 × 125,801.20
  4. Step 4: Simplify right side
    303,239.80x = 57,235,652,452.86
  5. Step 5: Solve for x
    x = 57,235,652,452.86/303,239.80
  6. Step 6: Final answer
    x = 188,747.16

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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.