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Finding the Fourth Proportional to 228,593.69, 342,922.67 and 95,443.64

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Solution

The fourth proportional to 228,593.69, 342,922.67 and 95,443.64 is: 143,178.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,593.69 : 342,922.67 = 95,443.64 : x
  2. Step 2: Convert to fraction form
    228,593.69/342,922.67 = 95,443.64/x
  3. Step 3: Cross multiply
    228,593.69x = 342,922.67 × 95,443.64
  4. Step 4: Simplify right side
    228,593.69x = 32,729,787,386.10
  5. Step 5: Solve for x
    x = 32,729,787,386.10/228,593.69
  6. Step 6: Final answer
    x = 143,178.88

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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.