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Finding the Fourth Proportional to 250,552.42, 375,788.62 and 73,017.90

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Solution

The fourth proportional to 250,552.42, 375,788.62 and 73,017.90 is: 109,515.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,552.42 : 375,788.62 = 73,017.90 : x
  2. Step 2: Convert to fraction form
    250,552.42/375,788.62 = 73,017.90/x
  3. Step 3: Cross multiply
    250,552.42x = 375,788.62 × 73,017.90
  4. Step 4: Simplify right side
    250,552.42x = 27,439,295,876.30
  5. Step 5: Solve for x
    x = 27,439,295,876.30/250,552.42
  6. Step 6: Final answer
    x = 109,515.19

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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.