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Finding the Fourth Proportional to 224,429.80, 336,644.70 and 100,013.80

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Solution

The fourth proportional to 224,429.80, 336,644.70 and 100,013.80 is: 150,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,429.80 : 336,644.70 = 100,013.80 : x
  2. Step 2: Convert to fraction form
    224,429.80/336,644.70 = 100,013.80/x
  3. Step 3: Cross multiply
    224,429.80x = 336,644.70 × 100,013.80
  4. Step 4: Simplify right side
    224,429.80x = 33,669,115,696.86
  5. Step 5: Solve for x
    x = 33,669,115,696.86/224,429.80
  6. Step 6: Final answer
    x = 150,020.70

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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.