Home / 234,434.52-323,519.25-127,005

Finding the Fourth Proportional to 234,434.52, 323,519.25 and 127,005

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Solution

The fourth proportional to 234,434.52, 323,519.25 and 127,005 is: 175,266.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,434.52 : 323,519.25 = 127,005 : x
  2. Step 2: Convert to fraction form
    234,434.52/323,519.25 = 127,005/x
  3. Step 3: Cross multiply
    234,434.52x = 323,519.25 × 127,005
  4. Step 4: Simplify right side
    234,434.52x = 41,088,562,346.25
  5. Step 5: Solve for x
    x = 41,088,562,346.25/234,434.52
  6. Step 6: Final answer
    x = 175,266.69

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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.