Home / 245,217.87-338,440.77-204,317.10

Finding the Fourth Proportional to 245,217.87, 338,440.77 and 204,317.10

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Solution

The fourth proportional to 245,217.87, 338,440.77 and 204,317.10 is: 281,991.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,217.87 : 338,440.77 = 204,317.10 : x
  2. Step 2: Convert to fraction form
    245,217.87/338,440.77 = 204,317.10/x
  3. Step 3: Cross multiply
    245,217.87x = 338,440.77 × 204,317.10
  4. Step 4: Simplify right side
    245,217.87x = 69,149,236,648.17
  5. Step 5: Solve for x
    x = 69,149,236,648.17/245,217.87
  6. Step 6: Final answer
    x = 281,991.02

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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.