Home / 286,051.22-394,736.95-171,334.72

Finding the Fourth Proportional to 286,051.22, 394,736.95 and 171,334.72

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Solution

The fourth proportional to 286,051.22, 394,736.95 and 171,334.72 is: 236,433.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,051.22 : 394,736.95 = 171,334.72 : x
  2. Step 2: Convert to fraction form
    286,051.22/394,736.95 = 171,334.72/x
  3. Step 3: Cross multiply
    286,051.22x = 394,736.95 × 171,334.72
  4. Step 4: Simplify right side
    286,051.22x = 67,632,143,435.54
  5. Step 5: Solve for x
    x = 67,632,143,435.54/286,051.22
  6. Step 6: Final answer
    x = 236,433.68

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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.