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Finding the Fourth Proportional to 234,559, 323,689.60 and 127,126.27

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Solution

The fourth proportional to 234,559, 323,689.60 and 127,126.27 is: 175,433.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,559 : 323,689.60 = 127,126.27 : x
  2. Step 2: Convert to fraction form
    234,559/323,689.60 = 127,126.27/x
  3. Step 3: Cross multiply
    234,559x = 323,689.60 × 127,126.27
  4. Step 4: Simplify right side
    234,559x = 41,149,451,485.79
  5. Step 5: Solve for x
    x = 41,149,451,485.79/234,559
  6. Step 6: Final answer
    x = 175,433.27

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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.