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Finding the Fourth Proportional to 178,495.60, 267,579.36 and 77,230.36

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Solution

The fourth proportional to 178,495.60, 267,579.36 and 77,230.36 is: 115,774.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,495.60 : 267,579.36 = 77,230.36 : x
  2. Step 2: Convert to fraction form
    178,495.60/267,579.36 = 77,230.36/x
  3. Step 3: Cross multiply
    178,495.60x = 267,579.36 × 77,230.36
  4. Step 4: Simplify right side
    178,495.60x = 20,665,250,301.37
  5. Step 5: Solve for x
    x = 20,665,250,301.37/178,495.60
  6. Step 6: Final answer
    x = 115,774.56

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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.