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Finding the Fourth Proportional to 250,919.70, 376,270.20 and 101,110.20

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Solution

The fourth proportional to 250,919.70, 376,270.20 and 101,110.20 is: 151,621.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,919.70 : 376,270.20 = 101,110.20 : x
  2. Step 2: Convert to fraction form
    250,919.70/376,270.20 = 101,110.20/x
  3. Step 3: Cross multiply
    250,919.70x = 376,270.20 × 101,110.20
  4. Step 4: Simplify right side
    250,919.70x = 38,044,755,176.04
  5. Step 5: Solve for x
    x = 38,044,755,176.04/250,919.70
  6. Step 6: Final answer
    x = 151,621.24

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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.