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Finding the Fourth Proportional to 288,129.84, 433,141.31 and 267,321.34

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Solution

The fourth proportional to 288,129.84, 433,141.31 and 267,321.34 is: 401,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,129.84 : 433,141.31 = 267,321.34 : x
  2. Step 2: Convert to fraction form
    288,129.84/433,141.31 = 267,321.34/x
  3. Step 3: Cross multiply
    288,129.84x = 433,141.31 × 267,321.34
  4. Step 4: Simplify right side
    288,129.84x = 115,787,915,398.56
  5. Step 5: Solve for x
    x = 115,787,915,398.56/288,129.84
  6. Step 6: Final answer
    x = 401,860.20

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1.5x scale

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.