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Finding the Fourth Proportional to 331,325.90, 495,822.45 and 303,332.30

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Solution

The fourth proportional to 331,325.90, 495,822.45 and 303,332.30 is: 453,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,325.90 : 495,822.45 = 303,332.30 : x
  2. Step 2: Convert to fraction form
    331,325.90/495,822.45 = 303,332.30/x
  3. Step 3: Cross multiply
    331,325.90x = 495,822.45 × 303,332.30
  4. Step 4: Simplify right side
    331,325.90x = 150,398,964,150.14
  5. Step 5: Solve for x
    x = 150,398,964,150.14/331,325.90
  6. Step 6: Final answer
    x = 453,930.60

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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.