Home / 331,259.85-457,140.78-188,022.29

Finding the Fourth Proportional to 331,259.85, 457,140.78 and 188,022.29

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Solution

The fourth proportional to 331,259.85, 457,140.78 and 188,022.29 is: 259,471.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,259.85 : 457,140.78 = 188,022.29 : x
  2. Step 2: Convert to fraction form
    331,259.85/457,140.78 = 188,022.29/x
  3. Step 3: Cross multiply
    331,259.85x = 457,140.78 × 188,022.29
  4. Step 4: Simplify right side
    331,259.85x = 85,952,654,022.28
  5. Step 5: Solve for x
    x = 85,952,654,022.28/331,259.85
  6. Step 6: Final answer
    x = 259,471.99

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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.