Home / 361,198.77-498,458.03-217,931.13

Finding the Fourth Proportional to 361,198.77, 498,458.03 and 217,931.13

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Solution

The fourth proportional to 361,198.77, 498,458.03 and 217,931.13 is: 300,747.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,198.77 : 498,458.03 = 217,931.13 : x
  2. Step 2: Convert to fraction form
    361,198.77/498,458.03 = 217,931.13/x
  3. Step 3: Cross multiply
    361,198.77x = 498,458.03 × 217,931.13
  4. Step 4: Simplify right side
    361,198.77x = 108,629,519,788.01
  5. Step 5: Solve for x
    x = 108,629,519,788.01/361,198.77
  6. Step 6: Final answer
    x = 300,747.21

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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.