Home / 236,835.40-355,253.10-206,422.60

Finding the Fourth Proportional to 236,835.40, 355,253.10 and 206,422.60

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Solution

The fourth proportional to 236,835.40, 355,253.10 and 206,422.60 is: 309,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,835.40 : 355,253.10 = 206,422.60 : x
  2. Step 2: Convert to fraction form
    236,835.40/355,253.10 = 206,422.60/x
  3. Step 3: Cross multiply
    236,835.40x = 355,253.10 × 206,422.60
  4. Step 4: Simplify right side
    236,835.40x = 73,332,268,560.06
  5. Step 5: Solve for x
    x = 73,332,268,560.06/236,835.40
  6. Step 6: Final answer
    x = 309,633.90

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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.