Home / 331,264.85-457,147.68-188,027.30

Finding the Fourth Proportional to 331,264.85, 457,147.68 and 188,027.30

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Solution

The fourth proportional to 331,264.85, 457,147.68 and 188,027.30 is: 259,478.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,264.85 : 457,147.68 = 188,027.30 : x
  2. Step 2: Convert to fraction form
    331,264.85/457,147.68 = 188,027.30/x
  3. Step 3: Cross multiply
    331,264.85x = 457,147.68 × 188,027.30
  4. Step 4: Simplify right side
    331,264.85x = 85,956,243,971.66
  5. Step 5: Solve for x
    x = 85,956,243,971.66/331,264.85
  6. Step 6: Final answer
    x = 259,478.92

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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.