Home / 286,185.56-394,916.31-158,851.13

Finding the Fourth Proportional to 286,185.56, 394,916.31 and 158,851.13

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Solution

The fourth proportional to 286,185.56, 394,916.31 and 158,851.13 is: 219,203.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,185.56 : 394,916.31 = 158,851.13 : x
  2. Step 2: Convert to fraction form
    286,185.56/394,916.31 = 158,851.13/x
  3. Step 3: Cross multiply
    286,185.56x = 394,916.31 × 158,851.13
  4. Step 4: Simplify right side
    286,185.56x = 62,732,902,098.93
  5. Step 5: Solve for x
    x = 62,732,902,098.93/286,185.56
  6. Step 6: Final answer
    x = 219,203.59

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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.