Home / 660,942.77-991,414.71-181,175.79

Finding the Fourth Proportional to 660,942.77, 991,414.71 and 181,175.79

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Solution

The fourth proportional to 660,942.77, 991,414.71 and 181,175.79 is: 271,763.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,942.77 : 991,414.71 = 181,175.79 : x
  2. Step 2: Convert to fraction form
    660,942.77/991,414.71 = 181,175.79/x
  3. Step 3: Cross multiply
    660,942.77x = 991,414.71 × 181,175.79
  4. Step 4: Simplify right side
    660,942.77x = 179,620,343,301.87
  5. Step 5: Solve for x
    x = 179,620,343,301.87/660,942.77
  6. Step 6: Final answer
    x = 271,763.84

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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.