Home / 245,215.62-338,437.67-204,314.85

Finding the Fourth Proportional to 245,215.62, 338,437.67 and 204,314.85

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Solution

The fourth proportional to 245,215.62, 338,437.67 and 204,314.85 is: 281,987.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,215.62 : 338,437.67 = 204,314.85 : x
  2. Step 2: Convert to fraction form
    245,215.62/338,437.67 = 204,314.85/x
  3. Step 3: Cross multiply
    245,215.62x = 338,437.67 × 204,314.85
  4. Step 4: Simplify right side
    245,215.62x = 69,147,840,758.83
  5. Step 5: Solve for x
    x = 69,147,840,758.83/245,215.62
  6. Step 6: Final answer
    x = 281,987.91

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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.