Home / 286,130.43-394,832.97-171,407.16

Finding the Fourth Proportional to 286,130.43, 394,832.97 and 171,407.16

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Solution

The fourth proportional to 286,130.43, 394,832.97 and 171,407.16 is: 236,525.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,130.43 : 394,832.97 = 171,407.16 : x
  2. Step 2: Convert to fraction form
    286,130.43/394,832.97 = 171,407.16/x
  3. Step 3: Cross multiply
    286,130.43x = 394,832.97 × 171,407.16
  4. Step 4: Simplify right side
    286,130.43x = 67,677,198,062.07
  5. Step 5: Solve for x
    x = 67,677,198,062.07/286,130.43
  6. Step 6: Final answer
    x = 236,525.69

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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.