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Finding the Fourth Proportional to 228,018.28, 342,027.42 and 61,806.28

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Solution

The fourth proportional to 228,018.28, 342,027.42 and 61,806.28 is: 92,709.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,018.28 : 342,027.42 = 61,806.28 : x
  2. Step 2: Convert to fraction form
    228,018.28/342,027.42 = 61,806.28/x
  3. Step 3: Cross multiply
    228,018.28x = 342,027.42 × 61,806.28
  4. Step 4: Simplify right side
    228,018.28x = 21,139,442,488.20
  5. Step 5: Solve for x
    x = 21,139,442,488.20/228,018.28
  6. Step 6: Final answer
    x = 92,709.42

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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.