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Finding the Fourth Proportional to 179,652.38, 269,400.32 and 51,540.39

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Solution

The fourth proportional to 179,652.38, 269,400.32 and 51,540.39 is: 77,288.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,652.38 : 269,400.32 = 51,540.39 : x
  2. Step 2: Convert to fraction form
    179,652.38/269,400.32 = 51,540.39/x
  3. Step 3: Cross multiply
    179,652.38x = 269,400.32 × 51,540.39
  4. Step 4: Simplify right side
    179,652.38x = 13,884,997,784.41
  5. Step 5: Solve for x
    x = 13,884,997,784.41/179,652.38
  6. Step 6: Final answer
    x = 77,288.14

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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.