Home / 646,022.39-968,959.64-172,744.66

Finding the Fourth Proportional to 646,022.39, 968,959.64 and 172,744.66

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Solution

The fourth proportional to 646,022.39, 968,959.64 and 172,744.66 is: 259,097.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,022.39 : 968,959.64 = 172,744.66 : x
  2. Step 2: Convert to fraction form
    646,022.39/968,959.64 = 172,744.66/x
  3. Step 3: Cross multiply
    646,022.39x = 968,959.64 × 172,744.66
  4. Step 4: Simplify right side
    646,022.39x = 167,382,598,786.50
  5. Step 5: Solve for x
    x = 167,382,598,786.50/646,022.39
  6. Step 6: Final answer
    x = 259,097.21

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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.