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Finding the Fourth Proportional to 266,677.13, 400,016.09 and 108,905.60

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Solution

The fourth proportional to 266,677.13, 400,016.09 and 108,905.60 is: 163,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,677.13 : 400,016.09 = 108,905.60 : x
  2. Step 2: Convert to fraction form
    266,677.13/400,016.09 = 108,905.60/x
  3. Step 3: Cross multiply
    266,677.13x = 400,016.09 × 108,905.60
  4. Step 4: Simplify right side
    266,677.13x = 43,563,990,563.29
  5. Step 5: Solve for x
    x = 43,563,990,563.29/266,677.13
  6. Step 6: Final answer
    x = 163,358.55

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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.