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Finding the Fourth Proportional to 224,394.17, 310,974.05 and 220,136.21

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Solution

The fourth proportional to 224,394.17, 310,974.05 and 220,136.21 is: 305,073.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,394.17 : 310,974.05 = 220,136.21 : x
  2. Step 2: Convert to fraction form
    224,394.17/310,974.05 = 220,136.21/x
  3. Step 3: Cross multiply
    224,394.17x = 310,974.05 × 220,136.21
  4. Step 4: Simplify right side
    224,394.17x = 68,456,648,775.35
  5. Step 5: Solve for x
    x = 68,456,648,775.35/224,394.17
  6. Step 6: Final answer
    x = 305,073.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.