Home / 266,822.60-400,460.70-109,164.20

Finding the Fourth Proportional to 266,822.60, 400,460.70 and 109,164.20

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Solution

The fourth proportional to 266,822.60, 400,460.70 and 109,164.20 is: 163,839.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,822.60 : 400,460.70 = 109,164.20 : x
  2. Step 2: Convert to fraction form
    266,822.60/400,460.70 = 109,164.20/x
  3. Step 3: Cross multiply
    266,822.60x = 400,460.70 × 109,164.20
  4. Step 4: Simplify right side
    266,822.60x = 43,715,971,946.94
  5. Step 5: Solve for x
    x = 43,715,971,946.94/266,822.60
  6. Step 6: Final answer
    x = 163,839.09

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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.