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Finding the Fourth Proportional to 244,832.80, 366,961.20 and 139,751.20

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Solution

The fourth proportional to 244,832.80, 366,961.20 and 139,751.20 is: 209,462.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,832.80 : 366,961.20 = 139,751.20 : x
  2. Step 2: Convert to fraction form
    244,832.80/366,961.20 = 139,751.20/x
  3. Step 3: Cross multiply
    244,832.80x = 366,961.20 × 139,751.20
  4. Step 4: Simplify right side
    244,832.80x = 51,283,268,053.44
  5. Step 5: Solve for x
    x = 51,283,268,053.44/244,832.80
  6. Step 6: Final answer
    x = 209,462.41

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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.