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Finding the Fourth Proportional to 269,062.98, 403,539.42 and 100,552.20

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Solution

The fourth proportional to 269,062.98, 403,539.42 and 100,552.20 is: 150,807.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,062.98 : 403,539.42 = 100,552.20 : x
  2. Step 2: Convert to fraction form
    269,062.98/403,539.42 = 100,552.20/x
  3. Step 3: Cross multiply
    269,062.98x = 403,539.42 × 100,552.20
  4. Step 4: Simplify right side
    269,062.98x = 40,576,776,467.72
  5. Step 5: Solve for x
    x = 40,576,776,467.72/269,062.98
  6. Step 6: Final answer
    x = 150,807.73

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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.