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Finding the Fourth Proportional to 224,601.57, 309,948.05 and 122,626.16

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Solution

The fourth proportional to 224,601.57, 309,948.05 and 122,626.16 is: 169,222.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,601.57 : 309,948.05 = 122,626.16 : x
  2. Step 2: Convert to fraction form
    224,601.57/309,948.05 = 122,626.16/x
  3. Step 3: Cross multiply
    224,601.57x = 309,948.05 × 122,626.16
  4. Step 4: Simplify right side
    224,601.57x = 38,007,737,008.12
  5. Step 5: Solve for x
    x = 38,007,737,008.12/224,601.57
  6. Step 6: Final answer
    x = 169,222.94

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1.5x scale

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.