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Finding the Fourth Proportional to 250,110, 375,201.06 and 81,588.63

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Solution

The fourth proportional to 250,110, 375,201.06 and 81,588.63 is: 122,394.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,110 : 375,201.06 = 81,588.63 : x
  2. Step 2: Convert to fraction form
    250,110/375,201.06 = 81,588.63/x
  3. Step 3: Cross multiply
    250,110x = 375,201.06 × 81,588.63
  4. Step 4: Simplify right side
    250,110x = 30,612,140,459.95
  5. Step 5: Solve for x
    x = 30,612,140,459.95/250,110
  6. Step 6: Final answer
    x = 122,394.71

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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.