Home / 646,018.87-968,954.37-172,741.13

Finding the Fourth Proportional to 646,018.87, 968,954.37 and 172,741.13

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Solution

The fourth proportional to 646,018.87, 968,954.37 and 172,741.13 is: 259,091.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,018.87 : 968,954.37 = 172,741.13 : x
  2. Step 2: Convert to fraction form
    646,018.87/968,954.37 = 172,741.13/x
  3. Step 3: Cross multiply
    646,018.87x = 968,954.37 × 172,741.13
  4. Step 4: Simplify right side
    646,018.87x = 167,378,276,542.09
  5. Step 5: Solve for x
    x = 167,378,276,542.09/646,018.87
  6. Step 6: Final answer
    x = 259,091.93

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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.