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Finding the Fourth Proportional to 498,321.60, 746,972.10 and 245,212.80

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Solution

The fourth proportional to 498,321.60, 746,972.10 and 245,212.80 is: 367,568.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,321.60 : 746,972.10 = 245,212.80 : x
  2. Step 2: Convert to fraction form
    498,321.60/746,972.10 = 245,212.80/x
  3. Step 3: Cross multiply
    498,321.60x = 746,972.10 × 245,212.80
  4. Step 4: Simplify right side
    498,321.60x = 183,167,120,162.88
  5. Step 5: Solve for x
    x = 183,167,120,162.88/498,321.60
  6. Step 6: Final answer
    x = 367,568.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.