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Finding the Fourth Proportional to 303,301.30, 454,951.95 and 92,911.90

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Solution

The fourth proportional to 303,301.30, 454,951.95 and 92,911.90 is: 139,367.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,301.30 : 454,951.95 = 92,911.90 : x
  2. Step 2: Convert to fraction form
    303,301.30/454,951.95 = 92,911.90/x
  3. Step 3: Cross multiply
    303,301.30x = 454,951.95 × 92,911.90
  4. Step 4: Simplify right side
    303,301.30x = 42,270,450,083.21
  5. Step 5: Solve for x
    x = 42,270,450,083.21/303,301.30
  6. Step 6: Final answer
    x = 139,367.85

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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.