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Finding the Fourth Proportional to 238,103.92, 357,029.52 and 104,829.76

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Solution

The fourth proportional to 238,103.92, 357,029.52 and 104,829.76 is: 157,189.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,103.92 : 357,029.52 = 104,829.76 : x
  2. Step 2: Convert to fraction form
    238,103.92/357,029.52 = 104,829.76/x
  3. Step 3: Cross multiply
    238,103.92x = 357,029.52 × 104,829.76
  4. Step 4: Simplify right side
    238,103.92x = 37,427,318,894.52
  5. Step 5: Solve for x
    x = 37,427,318,894.52/238,103.92
  6. Step 6: Final answer
    x = 157,189.01

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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.