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Finding the Fourth Proportional to 224,917.68, 310,263.54 and 144,255.44

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Solution

The fourth proportional to 224,917.68, 310,263.54 and 144,255.44 is: 198,993.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,917.68 : 310,263.54 = 144,255.44 : x
  2. Step 2: Convert to fraction form
    224,917.68/310,263.54 = 144,255.44/x
  3. Step 3: Cross multiply
    224,917.68x = 310,263.54 × 144,255.44
  4. Step 4: Simplify right side
    224,917.68x = 44,757,203,478.66
  5. Step 5: Solve for x
    x = 44,757,203,478.66/224,917.68
  6. Step 6: Final answer
    x = 198,993.71

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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.