Home / 331,447.22-457,204.78-208,891.58

Finding the Fourth Proportional to 331,447.22, 457,204.78 and 208,891.58

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Solution

The fourth proportional to 331,447.22, 457,204.78 and 208,891.58 is: 288,149.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,447.22 : 457,204.78 = 208,891.58 : x
  2. Step 2: Convert to fraction form
    331,447.22/457,204.78 = 208,891.58/x
  3. Step 3: Cross multiply
    331,447.22x = 457,204.78 × 208,891.58
  4. Step 4: Simplify right side
    331,447.22x = 95,506,228,877.75
  5. Step 5: Solve for x
    x = 95,506,228,877.75/331,447.22
  6. Step 6: Final answer
    x = 288,149.13

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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.