Home / 242,986.73-335,023.79-199,815.35

Finding the Fourth Proportional to 242,986.73, 335,023.79 and 199,815.35

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Solution

The fourth proportional to 242,986.73, 335,023.79 and 199,815.35 is: 275,500.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,986.73 : 335,023.79 = 199,815.35 : x
  2. Step 2: Convert to fraction form
    242,986.73/335,023.79 = 199,815.35/x
  3. Step 3: Cross multiply
    242,986.73x = 335,023.79 × 199,815.35
  4. Step 4: Simplify right side
    242,986.73x = 66,942,893,182.98
  5. Step 5: Solve for x
    x = 66,942,893,182.98/242,986.73
  6. Step 6: Final answer
    x = 275,500.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.