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Finding the Fourth Proportional to 240,201, 360,179.07 and 80,219.39

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Solution

The fourth proportional to 240,201, 360,179.07 and 80,219.39 is: 120,288.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,201 : 360,179.07 = 80,219.39 : x
  2. Step 2: Convert to fraction form
    240,201/360,179.07 = 80,219.39/x
  3. Step 3: Cross multiply
    240,201x = 360,179.07 × 80,219.39
  4. Step 4: Simplify right side
    240,201x = 28,893,343,485.27
  5. Step 5: Solve for x
    x = 28,893,343,485.27/240,201
  6. Step 6: Final answer
    x = 120,288.19

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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.