Home / 236,982.06-355,562.88-142,278.38

Finding the Fourth Proportional to 236,982.06, 355,562.88 and 142,278.38

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Solution

The fourth proportional to 236,982.06, 355,562.88 and 142,278.38 is: 213,471.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,982.06 : 355,562.88 = 142,278.38 : x
  2. Step 2: Convert to fraction form
    236,982.06/355,562.88 = 142,278.38/x
  3. Step 3: Cross multiply
    236,982.06x = 355,562.88 × 142,278.38
  4. Step 4: Simplify right side
    236,982.06x = 50,588,911,309.97
  5. Step 5: Solve for x
    x = 50,588,911,309.97/236,982.06
  6. Step 6: Final answer
    x = 213,471.48

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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.