Home / 286,167.10-394,928.52-158,844.82

Finding the Fourth Proportional to 286,167.10, 394,928.52 and 158,844.82

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Solution

The fourth proportional to 286,167.10, 394,928.52 and 158,844.82 is: 219,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,167.10 : 394,928.52 = 158,844.82 : x
  2. Step 2: Convert to fraction form
    286,167.10/394,928.52 = 158,844.82/x
  3. Step 3: Cross multiply
    286,167.10x = 394,928.52 × 158,844.82
  4. Step 4: Simplify right side
    286,167.10x = 62,732,349,672.27
  5. Step 5: Solve for x
    x = 62,732,349,672.27/286,167.10
  6. Step 6: Final answer
    x = 219,215.80

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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.