Home / 268,149.06-369,742.45-171,225.47

Finding the Fourth Proportional to 268,149.06, 369,742.45 and 171,225.47

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Solution

The fourth proportional to 268,149.06, 369,742.45 and 171,225.47 is: 236,097.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,149.06 : 369,742.45 = 171,225.47 : x
  2. Step 2: Convert to fraction form
    268,149.06/369,742.45 = 171,225.47/x
  3. Step 3: Cross multiply
    268,149.06x = 369,742.45 × 171,225.47
  4. Step 4: Simplify right side
    268,149.06x = 63,309,324,780.20
  5. Step 5: Solve for x
    x = 63,309,324,780.20/268,149.06
  6. Step 6: Final answer
    x = 236,097.51

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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.