Home / 286,224.60-394,717.94-208,629.72

Finding the Fourth Proportional to 286,224.60, 394,717.94 and 208,629.72

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Solution

The fourth proportional to 286,224.60, 394,717.94 and 208,629.72 is: 287,710.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,224.60 : 394,717.94 = 208,629.72 : x
  2. Step 2: Convert to fraction form
    286,224.60/394,717.94 = 208,629.72/x
  3. Step 3: Cross multiply
    286,224.60x = 394,717.94 × 208,629.72
  4. Step 4: Simplify right side
    286,224.60x = 82,349,893,301.18
  5. Step 5: Solve for x
    x = 82,349,893,301.18/286,224.60
  6. Step 6: Final answer
    x = 287,710.75

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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.