Home / 250,319.48-375,400.62-81,801.38

Finding the Fourth Proportional to 250,319.48, 375,400.62 and 81,801.38

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Solution

The fourth proportional to 250,319.48, 375,400.62 and 81,801.38 is: 122,676.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,319.48 : 375,400.62 = 81,801.38 : x
  2. Step 2: Convert to fraction form
    250,319.48/375,400.62 = 81,801.38/x
  3. Step 3: Cross multiply
    250,319.48x = 375,400.62 × 81,801.38
  4. Step 4: Simplify right side
    250,319.48x = 30,708,288,768.86
  5. Step 5: Solve for x
    x = 30,708,288,768.86/250,319.48
  6. Step 6: Final answer
    x = 122,676.38

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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.