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Finding the Fourth Proportional to 194,149.80, 291,258.90 and 80,297.28

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Solution

The fourth proportional to 194,149.80, 291,258.90 and 80,297.28 is: 120,460.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,149.80 : 291,258.90 = 80,297.28 : x
  2. Step 2: Convert to fraction form
    194,149.80/291,258.90 = 80,297.28/x
  3. Step 3: Cross multiply
    194,149.80x = 291,258.90 × 80,297.28
  4. Step 4: Simplify right side
    194,149.80x = 23,387,297,445.79
  5. Step 5: Solve for x
    x = 23,387,297,445.79/194,149.80
  6. Step 6: Final answer
    x = 120,460.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.