Home / 224,778.20-310,181.46-129,286.49

Finding the Fourth Proportional to 224,778.20, 310,181.46 and 129,286.49

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Solution

The fourth proportional to 224,778.20, 310,181.46 and 129,286.49 is: 178,408.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,778.20 : 310,181.46 = 129,286.49 : x
  2. Step 2: Convert to fraction form
    224,778.20/310,181.46 = 129,286.49/x
  3. Step 3: Cross multiply
    224,778.20x = 310,181.46 × 129,286.49
  4. Step 4: Simplify right side
    224,778.20x = 40,102,270,675.57
  5. Step 5: Solve for x
    x = 40,102,270,675.57/224,778.20
  6. Step 6: Final answer
    x = 178,408.19

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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.