Home / 266,868.60-400,268.34-100,635

Finding the Fourth Proportional to 266,868.60, 400,268.34 and 100,635

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Solution

The fourth proportional to 266,868.60, 400,268.34 and 100,635 is: 150,939.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,868.60 : 400,268.34 = 100,635 : x
  2. Step 2: Convert to fraction form
    266,868.60/400,268.34 = 100,635/x
  3. Step 3: Cross multiply
    266,868.60x = 400,268.34 × 100,635
  4. Step 4: Simplify right side
    266,868.60x = 40,281,004,395.90
  5. Step 5: Solve for x
    x = 40,281,004,395.90/266,868.60
  6. Step 6: Final answer
    x = 150,939.47

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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.