Home / 291,719.22-402,577.47-164,396.94

Finding the Fourth Proportional to 291,719.22, 402,577.47 and 164,396.94

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Solution

The fourth proportional to 291,719.22, 402,577.47 and 164,396.94 is: 226,870.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,719.22 : 402,577.47 = 164,396.94 : x
  2. Step 2: Convert to fraction form
    291,719.22/402,577.47 = 164,396.94/x
  3. Step 3: Cross multiply
    291,719.22x = 402,577.47 × 164,396.94
  4. Step 4: Simplify right side
    291,719.22x = 66,182,504,180.94
  5. Step 5: Solve for x
    x = 66,182,504,180.94/291,719.22
  6. Step 6: Final answer
    x = 226,870.56

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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.