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Finding the Fourth Proportional to 617,232.96, 925,885.56 and 238,155.72

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Solution

The fourth proportional to 617,232.96, 925,885.56 and 238,155.72 is: 357,247.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,232.96 : 925,885.56 = 238,155.72 : x
  2. Step 2: Convert to fraction form
    617,232.96/925,885.56 = 238,155.72/x
  3. Step 3: Cross multiply
    617,232.96x = 925,885.56 × 238,155.72
  4. Step 4: Simplify right side
    617,232.96x = 220,504,942,179.40
  5. Step 5: Solve for x
    x = 220,504,942,179.40/617,232.96
  6. Step 6: Final answer
    x = 357,247.52

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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.