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Finding the Fourth Proportional to 250,245.89, 375,368.73 and 100,486.13

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Solution

The fourth proportional to 250,245.89, 375,368.73 and 100,486.13 is: 150,729.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,245.89 : 375,368.73 = 100,486.13 : x
  2. Step 2: Convert to fraction form
    250,245.89/375,368.73 = 100,486.13/x
  3. Step 3: Cross multiply
    250,245.89x = 375,368.73 × 100,486.13
  4. Step 4: Simplify right side
    250,245.89x = 37,719,351,000.71
  5. Step 5: Solve for x
    x = 37,719,351,000.71/250,245.89
  6. Step 6: Final answer
    x = 150,729.15

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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.