Home / 331,447.43-457,381.23-188,204.40

Finding the Fourth Proportional to 331,447.43, 457,381.23 and 188,204.40

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Solution

The fourth proportional to 331,447.43, 457,381.23 and 188,204.40 is: 259,712.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,447.43 : 457,381.23 = 188,204.40 : x
  2. Step 2: Convert to fraction form
    331,447.43/457,381.23 = 188,204.40/x
  3. Step 3: Cross multiply
    331,447.43x = 457,381.23 × 188,204.40
  4. Step 4: Simplify right side
    331,447.43x = 86,081,159,963.41
  5. Step 5: Solve for x
    x = 86,081,159,963.41/331,447.43
  6. Step 6: Final answer
    x = 259,712.86

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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.