Home / 236,857.38-355,292.54-79,080.18

Finding the Fourth Proportional to 236,857.38, 355,292.54 and 79,080.18

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Solution

The fourth proportional to 236,857.38, 355,292.54 and 79,080.18 is: 118,622.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,857.38 : 355,292.54 = 79,080.18 : x
  2. Step 2: Convert to fraction form
    236,857.38/355,292.54 = 79,080.18/x
  3. Step 3: Cross multiply
    236,857.38x = 355,292.54 × 79,080.18
  4. Step 4: Simplify right side
    236,857.38x = 28,096,598,015.86
  5. Step 5: Solve for x
    x = 28,096,598,015.86/236,857.38
  6. Step 6: Final answer
    x = 118,622.43

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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.