Home / 245,215.38-338,437.32-204,314.60

Finding the Fourth Proportional to 245,215.38, 338,437.32 and 204,314.60

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Solution

The fourth proportional to 245,215.38, 338,437.32 and 204,314.60 is: 281,987.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,215.38 : 338,437.32 = 204,314.60 : x
  2. Step 2: Convert to fraction form
    245,215.38/338,437.32 = 204,314.60/x
  3. Step 3: Cross multiply
    245,215.38x = 338,437.32 × 204,314.60
  4. Step 4: Simplify right side
    245,215.38x = 69,147,685,660.87
  5. Step 5: Solve for x
    x = 69,147,685,660.87/245,215.38
  6. Step 6: Final answer
    x = 281,987.56

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1.5x scale

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.