Home / 291,517.22-402,296.01-164,180.90

Finding the Fourth Proportional to 291,517.22, 402,296.01 and 164,180.90

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Solution

The fourth proportional to 291,517.22, 402,296.01 and 164,180.90 is: 226,570.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,517.22 : 402,296.01 = 164,180.90 : x
  2. Step 2: Convert to fraction form
    291,517.22/402,296.01 = 164,180.90/x
  3. Step 3: Cross multiply
    291,517.22x = 402,296.01 × 164,180.90
  4. Step 4: Simplify right side
    291,517.22x = 66,049,320,988.21
  5. Step 5: Solve for x
    x = 66,049,320,988.21/291,517.22
  6. Step 6: Final answer
    x = 226,570.91

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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.