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Finding the Fourth Proportional to 366,678.62, 550,018.38 and 100,441.44

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Solution

The fourth proportional to 366,678.62, 550,018.38 and 100,441.44 is: 150,662.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,678.62 : 550,018.38 = 100,441.44 : x
  2. Step 2: Convert to fraction form
    366,678.62/550,018.38 = 100,441.44/x
  3. Step 3: Cross multiply
    366,678.62x = 550,018.38 × 100,441.44
  4. Step 4: Simplify right side
    366,678.62x = 55,244,638,113.67
  5. Step 5: Solve for x
    x = 55,244,638,113.67/366,678.62
  6. Step 6: Final answer
    x = 150,662.29

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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.