Home / 245,080.27-338,297.68-148,289.12

Finding the Fourth Proportional to 245,080.27, 338,297.68 and 148,289.12

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Solution

The fourth proportional to 245,080.27, 338,297.68 and 148,289.12 is: 204,691.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,080.27 : 338,297.68 = 148,289.12 : x
  2. Step 2: Convert to fraction form
    245,080.27/338,297.68 = 148,289.12/x
  3. Step 3: Cross multiply
    245,080.27x = 338,297.68 × 148,289.12
  4. Step 4: Simplify right side
    245,080.27x = 50,165,865,265.24
  5. Step 5: Solve for x
    x = 50,165,865,265.24/245,080.27
  6. Step 6: Final answer
    x = 204,691.57

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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.