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Finding the Fourth Proportional to 228,150, 342,225 and 61,938

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Solution

The fourth proportional to 228,150, 342,225 and 61,938 is: 92,907

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,150 : 342,225 = 61,938 : x
  2. Step 2: Convert to fraction form
    228,150/342,225 = 61,938/x
  3. Step 3: Cross multiply
    228,150x = 342,225 × 61,938
  4. Step 4: Simplify right side
    228,150x = 21,196,732,050
  5. Step 5: Solve for x
    x = 21,196,732,050/228,150
  6. Step 6: Final answer
    x = 92,907

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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.