Home / 266,964.20-400,446.30-109,140.20

Finding the Fourth Proportional to 266,964.20, 400,446.30 and 109,140.20

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Solution

The fourth proportional to 266,964.20, 400,446.30 and 109,140.20 is: 163,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,964.20 : 400,446.30 = 109,140.20 : x
  2. Step 2: Convert to fraction form
    266,964.20/400,446.30 = 109,140.20/x
  3. Step 3: Cross multiply
    266,964.20x = 400,446.30 × 109,140.20
  4. Step 4: Simplify right side
    266,964.20x = 43,704,789,271.26
  5. Step 5: Solve for x
    x = 43,704,789,271.26/266,964.20
  6. Step 6: Final answer
    x = 163,710.30

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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.