Home / 331,455.40-497,183.10-238,834.60

Finding the Fourth Proportional to 331,455.40, 497,183.10 and 238,834.60

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Solution

The fourth proportional to 331,455.40, 497,183.10 and 238,834.60 is: 358,251.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,455.40 : 497,183.10 = 238,834.60 : x
  2. Step 2: Convert to fraction form
    331,455.40/497,183.10 = 238,834.60/x
  3. Step 3: Cross multiply
    331,455.40x = 497,183.10 × 238,834.60
  4. Step 4: Simplify right side
    331,455.40x = 118,744,526,815.26
  5. Step 5: Solve for x
    x = 118,744,526,815.26/331,455.40
  6. Step 6: Final answer
    x = 358,251.90

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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.