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Finding the Fourth Proportional to 444,446.20, 666,669.30 and 112,022.20

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Solution

The fourth proportional to 444,446.20, 666,669.30 and 112,022.20 is: 168,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,446.20 : 666,669.30 = 112,022.20 : x
  2. Step 2: Convert to fraction form
    444,446.20/666,669.30 = 112,022.20/x
  3. Step 3: Cross multiply
    444,446.20x = 666,669.30 × 112,022.20
  4. Step 4: Simplify right side
    444,446.20x = 74,681,761,658.46
  5. Step 5: Solve for x
    x = 74,681,761,658.46/444,446.20
  6. Step 6: Final answer
    x = 168,033.30

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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.