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Finding the Fourth Proportional to 250,091.75, 375,207.85 and 100,437.11

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Solution

The fourth proportional to 250,091.75, 375,207.85 and 100,437.11 is: 150,683.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,091.75 : 375,207.85 = 100,437.11 : x
  2. Step 2: Convert to fraction form
    250,091.75/375,207.85 = 100,437.11/x
  3. Step 3: Cross multiply
    250,091.75x = 375,207.85 × 100,437.11
  4. Step 4: Simplify right side
    250,091.75x = 37,684,793,305.44
  5. Step 5: Solve for x
    x = 37,684,793,305.44/250,091.75
  6. Step 6: Final answer
    x = 150,683.87

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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.