Home / 291,961.87-402,921.21-164,634.73

Finding the Fourth Proportional to 291,961.87, 402,921.21 and 164,634.73

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Solution

The fourth proportional to 291,961.87, 402,921.21 and 164,634.73 is: 227,203.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,961.87 : 402,921.21 = 164,634.73 : x
  2. Step 2: Convert to fraction form
    291,961.87/402,921.21 = 164,634.73/x
  3. Step 3: Cross multiply
    291,961.87x = 402,921.21 × 164,634.73
  4. Step 4: Simplify right side
    291,961.87x = 66,334,824,619.62
  5. Step 5: Solve for x
    x = 66,334,824,619.62/291,961.87
  6. Step 6: Final answer
    x = 227,203.73

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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.