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Finding the Fourth Proportional to 224,156.40, 336,890.70 and 220,219.80

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Solution

The fourth proportional to 224,156.40, 336,890.70 and 220,219.80 is: 330,974.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,156.40 : 336,890.70 = 220,219.80 : x
  2. Step 2: Convert to fraction form
    224,156.40/336,890.70 = 220,219.80/x
  3. Step 3: Cross multiply
    224,156.40x = 336,890.70 × 220,219.80
  4. Step 4: Simplify right side
    224,156.40x = 74,190,002,575.86
  5. Step 5: Solve for x
    x = 74,190,002,575.86/224,156.40
  6. Step 6: Final answer
    x = 330,974.28

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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.