Home / 240,291.88-331,594.50-131,398.86

Finding the Fourth Proportional to 240,291.88, 331,594.50 and 131,398.86

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Solution

The fourth proportional to 240,291.88, 331,594.50 and 131,398.86 is: 181,325.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,291.88 : 331,594.50 = 131,398.86 : x
  2. Step 2: Convert to fraction form
    240,291.88/331,594.50 = 131,398.86/x
  3. Step 3: Cross multiply
    240,291.88x = 331,594.50 × 131,398.86
  4. Step 4: Simplify right side
    240,291.88x = 43,571,137,624.30
  5. Step 5: Solve for x
    x = 43,571,137,624.30/240,291.88
  6. Step 6: Final answer
    x = 181,325.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.