Home / 231,324.39-346,988.97-81,536.76

Finding the Fourth Proportional to 231,324.39, 346,988.97 and 81,536.76

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Solution

The fourth proportional to 231,324.39, 346,988.97 and 81,536.76 is: 122,305.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,324.39 : 346,988.97 = 81,536.76 : x
  2. Step 2: Convert to fraction form
    231,324.39/346,988.97 = 81,536.76/x
  3. Step 3: Cross multiply
    231,324.39x = 346,988.97 × 81,536.76
  4. Step 4: Simplify right side
    231,324.39x = 28,292,356,369.54
  5. Step 5: Solve for x
    x = 28,292,356,369.54/231,324.39
  6. Step 6: Final answer
    x = 122,305.98

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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.