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Finding the Fourth Proportional to 179,579, 269,369.86 and 79,712.34

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Solution

The fourth proportional to 179,579, 269,369.86 and 79,712.34 is: 119,569.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,579 : 269,369.86 = 79,712.34 : x
  2. Step 2: Convert to fraction form
    179,579/269,369.86 = 79,712.34/x
  3. Step 3: Cross multiply
    179,579x = 269,369.86 × 79,712.34
  4. Step 4: Simplify right side
    179,579x = 21,472,101,866.07
  5. Step 5: Solve for x
    x = 21,472,101,866.07/179,579
  6. Step 6: Final answer
    x = 119,569.11

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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.