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Finding the Fourth Proportional to 131,484, 197,226 and 43,932

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Solution

The fourth proportional to 131,484, 197,226 and 43,932 is: 65,898

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,484 : 197,226 = 43,932 : x
  2. Step 2: Convert to fraction form
    131,484/197,226 = 43,932/x
  3. Step 3: Cross multiply
    131,484x = 197,226 × 43,932
  4. Step 4: Simplify right side
    131,484x = 8,664,532,632
  5. Step 5: Solve for x
    x = 8,664,532,632/131,484
  6. Step 6: Final answer
    x = 65,898

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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.