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Finding the Fourth Proportional to 366,825.60, 550,161.60 and 179,971.20

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Solution

The fourth proportional to 366,825.60, 550,161.60 and 179,971.20 is: 269,919.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,825.60 : 550,161.60 = 179,971.20 : x
  2. Step 2: Convert to fraction form
    366,825.60/550,161.60 = 179,971.20/x
  3. Step 3: Cross multiply
    366,825.60x = 550,161.60 × 179,971.20
  4. Step 4: Simplify right side
    366,825.60x = 99,013,243,345.92
  5. Step 5: Solve for x
    x = 99,013,243,345.92/366,825.60
  6. Step 6: Final answer
    x = 269,919.12

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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.