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Finding the Fourth Proportional to 267,861.71, 369,624.69 and 158,947.24

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Solution

The fourth proportional to 267,861.71, 369,624.69 and 158,947.24 is: 219,332.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,861.71 : 369,624.69 = 158,947.24 : x
  2. Step 2: Convert to fraction form
    267,861.71/369,624.69 = 158,947.24/x
  3. Step 3: Cross multiply
    267,861.71x = 369,624.69 × 158,947.24
  4. Step 4: Simplify right side
    267,861.71x = 58,750,824,311.36
  5. Step 5: Solve for x
    x = 58,750,824,311.36/267,861.71
  6. Step 6: Final answer
    x = 219,332.67

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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.