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Finding the Fourth Proportional to 268,307.92, 370,247.02 and 147,446.61

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Solution

The fourth proportional to 268,307.92, 370,247.02 and 147,446.61 is: 203,466.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,307.92 : 370,247.02 = 147,446.61 : x
  2. Step 2: Convert to fraction form
    268,307.92/370,247.02 = 147,446.61/x
  3. Step 3: Cross multiply
    268,307.92x = 370,247.02 × 147,446.61
  4. Step 4: Simplify right side
    268,307.92x = 54,591,667,961.60
  5. Step 5: Solve for x
    x = 54,591,667,961.60/268,307.92
  6. Step 6: Final answer
    x = 203,466.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.