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Finding the Fourth Proportional to 231,579, 319,579.02 and 125,595

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Solution

The fourth proportional to 231,579, 319,579.02 and 125,595 is: 173,321.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,579 : 319,579.02 = 125,595 : x
  2. Step 2: Convert to fraction form
    231,579/319,579.02 = 125,595/x
  3. Step 3: Cross multiply
    231,579x = 319,579.02 × 125,595
  4. Step 4: Simplify right side
    231,579x = 40,137,527,016.90
  5. Step 5: Solve for x
    x = 40,137,527,016.90/231,579
  6. Step 6: Final answer
    x = 173,321.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.