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Finding the Fourth Proportional to 267,620.40, 401,430.60 and 168,087.60

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Solution

The fourth proportional to 267,620.40, 401,430.60 and 168,087.60 is: 252,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,620.40 : 401,430.60 = 168,087.60 : x
  2. Step 2: Convert to fraction form
    267,620.40/401,430.60 = 168,087.60/x
  3. Step 3: Cross multiply
    267,620.40x = 401,430.60 × 168,087.60
  4. Step 4: Simplify right side
    267,620.40x = 67,475,506,120.56
  5. Step 5: Solve for x
    x = 67,475,506,120.56/267,620.40
  6. Step 6: Final answer
    x = 252,131.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.