Home / 361,199.14-498,458.55-217,931.50

Finding the Fourth Proportional to 361,199.14, 498,458.55 and 217,931.50

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Solution

The fourth proportional to 361,199.14, 498,458.55 and 217,931.50 is: 300,747.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,199.14 : 498,458.55 = 217,931.50 : x
  2. Step 2: Convert to fraction form
    361,199.14/498,458.55 = 217,931.50/x
  3. Step 3: Cross multiply
    361,199.14x = 498,458.55 × 217,931.50
  4. Step 4: Simplify right side
    361,199.14x = 108,629,819,489.33
  5. Step 5: Solve for x
    x = 108,629,819,489.33/361,199.14
  6. Step 6: Final answer
    x = 300,747.72

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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.