Home / 243,867.32-336,589.54-148,404.78

Finding the Fourth Proportional to 243,867.32, 336,589.54 and 148,404.78

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Solution

The fourth proportional to 243,867.32, 336,589.54 and 148,404.78 is: 204,830.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,867.32 : 336,589.54 = 148,404.78 : x
  2. Step 2: Convert to fraction form
    243,867.32/336,589.54 = 148,404.78/x
  3. Step 3: Cross multiply
    243,867.32x = 336,589.54 × 148,404.78
  4. Step 4: Simplify right side
    243,867.32x = 49,951,496,634.00
  5. Step 5: Solve for x
    x = 49,951,496,634.00/243,867.32
  6. Step 6: Final answer
    x = 204,830.63

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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.