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Finding the Fourth Proportional to 238,103.74, 357,157.62 and 60,610.78

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Solution

The fourth proportional to 238,103.74, 357,157.62 and 60,610.78 is: 90,916.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,103.74 : 357,157.62 = 60,610.78 : x
  2. Step 2: Convert to fraction form
    238,103.74/357,157.62 = 60,610.78/x
  3. Step 3: Cross multiply
    238,103.74x = 357,157.62 × 60,610.78
  4. Step 4: Simplify right side
    238,103.74x = 21,647,602,377.59
  5. Step 5: Solve for x
    x = 21,647,602,377.59/238,103.74
  6. Step 6: Final answer
    x = 90,916.68

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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.