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Finding the Fourth Proportional to 250,423.67, 375,468.57 and 130,185.11

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Solution

The fourth proportional to 250,423.67, 375,468.57 and 130,185.11 is: 195,190.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,423.67 : 375,468.57 = 130,185.11 : x
  2. Step 2: Convert to fraction form
    250,423.67/375,468.57 = 130,185.11/x
  3. Step 3: Cross multiply
    250,423.67x = 375,468.57 × 130,185.11
  4. Step 4: Simplify right side
    250,423.67x = 48,880,415,209.65
  5. Step 5: Solve for x
    x = 48,880,415,209.65/250,423.67
  6. Step 6: Final answer
    x = 195,190.88

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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.