Home / 224,480.55-309,778.65-122,508.03

Finding the Fourth Proportional to 224,480.55, 309,778.65 and 122,508.03

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Solution

The fourth proportional to 224,480.55, 309,778.65 and 122,508.03 is: 169,058.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,480.55 : 309,778.65 = 122,508.03 : x
  2. Step 2: Convert to fraction form
    224,480.55/309,778.65 = 122,508.03/x
  3. Step 3: Cross multiply
    224,480.55x = 309,778.65 × 122,508.03
  4. Step 4: Simplify right side
    224,480.55x = 37,950,372,147.56
  5. Step 5: Solve for x
    x = 37,950,372,147.56/224,480.55
  6. Step 6: Final answer
    x = 169,058.62

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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.