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Finding the Fourth Proportional to 266,796.87, 400,195.98 and 109,025.34

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Solution

The fourth proportional to 266,796.87, 400,195.98 and 109,025.34 is: 163,538.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,796.87 : 400,195.98 = 109,025.34 : x
  2. Step 2: Convert to fraction form
    266,796.87/400,195.98 = 109,025.34/x
  3. Step 3: Cross multiply
    266,796.87x = 400,195.98 × 109,025.34
  4. Step 4: Simplify right side
    266,796.87x = 43,631,502,786.13
  5. Step 5: Solve for x
    x = 43,631,502,786.13/266,796.87
  6. Step 6: Final answer
    x = 163,538.29

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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.