Home / 331,313.10-496,231.54-272,264.10

Finding the Fourth Proportional to 331,313.10, 496,231.54 and 272,264.10

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Solution

The fourth proportional to 331,313.10, 496,231.54 and 272,264.10 is: 407,789.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,313.10 : 496,231.54 = 272,264.10 : x
  2. Step 2: Convert to fraction form
    331,313.10/496,231.54 = 272,264.10/x
  3. Step 3: Cross multiply
    331,313.10x = 496,231.54 × 272,264.10
  4. Step 4: Simplify right side
    331,313.10x = 135,106,032,949.05
  5. Step 5: Solve for x
    x = 135,106,032,949.05/331,313.10
  6. Step 6: Final answer
    x = 407,789.59

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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.