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Finding the Fourth Proportional to 224,680.12, 310,185.12 and 155,869

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Solution

The fourth proportional to 224,680.12, 310,185.12 and 155,869 is: 215,187.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,680.12 : 310,185.12 = 155,869 : x
  2. Step 2: Convert to fraction form
    224,680.12/310,185.12 = 155,869/x
  3. Step 3: Cross multiply
    224,680.12x = 310,185.12 × 155,869
  4. Step 4: Simplify right side
    224,680.12x = 48,348,244,469.28
  5. Step 5: Solve for x
    x = 48,348,244,469.28/224,680.12
  6. Step 6: Final answer
    x = 215,187.02

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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.