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Finding the Fourth Proportional to 269,143.80, 403,521.30 and 150,851.40

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Solution

The fourth proportional to 269,143.80, 403,521.30 and 150,851.40 is: 226,168.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,143.80 : 403,521.30 = 150,851.40 : x
  2. Step 2: Convert to fraction form
    269,143.80/403,521.30 = 150,851.40/x
  3. Step 3: Cross multiply
    269,143.80x = 403,521.30 × 150,851.40
  4. Step 4: Simplify right side
    269,143.80x = 60,871,753,034.82
  5. Step 5: Solve for x
    x = 60,871,753,034.82/269,143.80
  6. Step 6: Final answer
    x = 226,168.14

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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.