Home / 672,209.20-1,008,022.20-222,756.40

Finding the Fourth Proportional to 672,209.20, 1,008,022.20 and 222,756.40

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Solution

The fourth proportional to 672,209.20, 1,008,022.20 and 222,756.40 is: 334,037.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,209.20 : 1,008,022.20 = 222,756.40 : x
  2. Step 2: Convert to fraction form
    672,209.20/1,008,022.20 = 222,756.40/x
  3. Step 3: Cross multiply
    672,209.20x = 1,008,022.20 × 222,756.40
  4. Step 4: Simplify right side
    672,209.20x = 224,543,396,392.08
  5. Step 5: Solve for x
    x = 224,543,396,392.08/672,209.20
  6. Step 6: Final answer
    x = 334,037.97

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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.