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Finding the Fourth Proportional to 267,561.60, 401,536.80 and 109,903.20

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Solution

The fourth proportional to 267,561.60, 401,536.80 and 109,903.20 is: 164,934.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,561.60 : 401,536.80 = 109,903.20 : x
  2. Step 2: Convert to fraction form
    267,561.60/401,536.80 = 109,903.20/x
  3. Step 3: Cross multiply
    267,561.60x = 401,536.80 × 109,903.20
  4. Step 4: Simplify right side
    267,561.60x = 44,130,179,237.76
  5. Step 5: Solve for x
    x = 44,130,179,237.76/267,561.60
  6. Step 6: Final answer
    x = 164,934.65

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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.