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Finding the Fourth Proportional to 250,911.45, 345,780.50 and 246,300.30

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Solution

The fourth proportional to 250,911.45, 345,780.50 and 246,300.30 is: 339,425.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,911.45 : 345,780.50 = 246,300.30 : x
  2. Step 2: Convert to fraction form
    250,911.45/345,780.50 = 246,300.30/x
  3. Step 3: Cross multiply
    250,911.45x = 345,780.50 × 246,300.30
  4. Step 4: Simplify right side
    250,911.45x = 85,165,839,652.65
  5. Step 5: Solve for x
    x = 85,165,839,652.65/250,911.45
  6. Step 6: Final answer
    x = 339,425.88

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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.