Home / 331,563.54-497,423.07-131,895.30

Finding the Fourth Proportional to 331,563.54, 497,423.07 and 131,895.30

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Solution

The fourth proportional to 331,563.54, 497,423.07 and 131,895.30 is: 197,873.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,563.54 : 497,423.07 = 131,895.30 : x
  2. Step 2: Convert to fraction form
    331,563.54/497,423.07 = 131,895.30/x
  3. Step 3: Cross multiply
    331,563.54x = 497,423.07 × 131,895.30
  4. Step 4: Simplify right side
    331,563.54x = 65,607,765,044.57
  5. Step 5: Solve for x
    x = 65,607,765,044.57/331,563.54
  6. Step 6: Final answer
    x = 197,873.88

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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.