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Finding the Fourth Proportional to 250,801.75, 376,279.18 and 80,018.92

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Solution

The fourth proportional to 250,801.75, 376,279.18 and 80,018.92 is: 120,052.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,801.75 : 376,279.18 = 80,018.92 : x
  2. Step 2: Convert to fraction form
    250,801.75/376,279.18 = 80,018.92/x
  3. Step 3: Cross multiply
    250,801.75x = 376,279.18 × 80,018.92
  4. Step 4: Simplify right side
    250,801.75x = 30,109,453,602.09
  5. Step 5: Solve for x
    x = 30,109,453,602.09/250,801.75
  6. Step 6: Final answer
    x = 120,052.81

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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.