Home / 381,565.14-526,453.20-238,470.54

Finding the Fourth Proportional to 381,565.14, 526,453.20 and 238,470.54

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Solution

The fourth proportional to 381,565.14, 526,453.20 and 238,470.54 is: 329,022.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,565.14 : 526,453.20 = 238,470.54 : x
  2. Step 2: Convert to fraction form
    381,565.14/526,453.20 = 238,470.54/x
  3. Step 3: Cross multiply
    381,565.14x = 526,453.20 × 238,470.54
  4. Step 4: Simplify right side
    381,565.14x = 125,543,578,888.73
  5. Step 5: Solve for x
    x = 125,543,578,888.73/381,565.14
  6. Step 6: Final answer
    x = 329,022.66

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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.