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Finding the Fourth Proportional to 267,689.60, 401,194.20 and 109,739.60

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Solution

The fourth proportional to 267,689.60, 401,194.20 and 109,739.60 is: 164,469.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,689.60 : 401,194.20 = 109,739.60 : x
  2. Step 2: Convert to fraction form
    267,689.60/401,194.20 = 109,739.60/x
  3. Step 3: Cross multiply
    267,689.60x = 401,194.20 × 109,739.60
  4. Step 4: Simplify right side
    267,689.60x = 44,026,891,030.32
  5. Step 5: Solve for x
    x = 44,026,891,030.32/267,689.60
  6. Step 6: Final answer
    x = 164,469.93

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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.