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Finding the Fourth Proportional to 224,521.76, 336,491.03 and 91,246.92

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Solution

The fourth proportional to 224,521.76, 336,491.03 and 91,246.92 is: 136,751.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,521.76 : 336,491.03 = 91,246.92 : x
  2. Step 2: Convert to fraction form
    224,521.76/336,491.03 = 91,246.92/x
  3. Step 3: Cross multiply
    224,521.76x = 336,491.03 × 91,246.92
  4. Step 4: Simplify right side
    224,521.76x = 30,703,770,323.24
  5. Step 5: Solve for x
    x = 30,703,770,323.24/224,521.76
  6. Step 6: Final answer
    x = 136,751.87

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1.5x scale

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.