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Finding the Fourth Proportional to 383,876.67, 575,568.36 and 159,392.10

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Solution

The fourth proportional to 383,876.67, 575,568.36 and 159,392.10 is: 238,985.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,876.67 : 575,568.36 = 159,392.10 : x
  2. Step 2: Convert to fraction form
    383,876.67/575,568.36 = 159,392.10/x
  3. Step 3: Cross multiply
    383,876.67x = 575,568.36 × 159,392.10
  4. Step 4: Simplify right side
    383,876.67x = 91,741,049,593.96
  5. Step 5: Solve for x
    x = 91,741,049,593.96/383,876.67
  6. Step 6: Final answer
    x = 238,985.74

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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.