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Finding the Fourth Proportional to 400,179.14, 600,002.06 and 220,349.24

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Solution

The fourth proportional to 400,179.14, 600,002.06 and 220,349.24 is: 330,377.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,179.14 : 600,002.06 = 220,349.24 : x
  2. Step 2: Convert to fraction form
    400,179.14/600,002.06 = 220,349.24/x
  3. Step 3: Cross multiply
    400,179.14x = 600,002.06 × 220,349.24
  4. Step 4: Simplify right side
    400,179.14x = 132,209,997,919.43
  5. Step 5: Solve for x
    x = 132,209,997,919.43/400,179.14
  6. Step 6: Final answer
    x = 330,377.04

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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.