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Finding the Fourth Proportional to 224,053.64, 309,190.11 and 122,079.94

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Solution

The fourth proportional to 224,053.64, 309,190.11 and 122,079.94 is: 168,468.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,053.64 : 309,190.11 = 122,079.94 : x
  2. Step 2: Convert to fraction form
    224,053.64/309,190.11 = 122,079.94/x
  3. Step 3: Cross multiply
    224,053.64x = 309,190.11 × 122,079.94
  4. Step 4: Simplify right side
    224,053.64x = 37,745,910,850.37
  5. Step 5: Solve for x
    x = 37,745,910,850.37/224,053.64
  6. Step 6: Final answer
    x = 168,468.19

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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.