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Finding the Fourth Proportional to 228,430, 342,645 and 62,218

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Solution

The fourth proportional to 228,430, 342,645 and 62,218 is: 93,327

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,430 : 342,645 = 62,218 : x
  2. Step 2: Convert to fraction form
    228,430/342,645 = 62,218/x
  3. Step 3: Cross multiply
    228,430x = 342,645 × 62,218
  4. Step 4: Simplify right side
    228,430x = 21,318,686,610
  5. Step 5: Solve for x
    x = 21,318,686,610/228,430
  6. Step 6: Final answer
    x = 93,327

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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.