Home / 267,849.05-401,760.58-99,402.21

Finding the Fourth Proportional to 267,849.05, 401,760.58 and 99,402.21

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Solution

The fourth proportional to 267,849.05, 401,760.58 and 99,402.21 is: 149,098.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,849.05 : 401,760.58 = 99,402.21 : x
  2. Step 2: Convert to fraction form
    267,849.05/401,760.58 = 99,402.21/x
  3. Step 3: Cross multiply
    267,849.05x = 401,760.58 × 99,402.21
  4. Step 4: Simplify right side
    267,849.05x = 39,935,889,542.88
  5. Step 5: Solve for x
    x = 39,935,889,542.88/267,849.05
  6. Step 6: Final answer
    x = 149,098.49

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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.