Home / 286,083.24-394,808.34-158,759.88

Finding the Fourth Proportional to 286,083.24, 394,808.34 and 158,759.88

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Solution

The fourth proportional to 286,083.24, 394,808.34 and 158,759.88 is: 219,096.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,083.24 : 394,808.34 = 158,759.88 : x
  2. Step 2: Convert to fraction form
    286,083.24/394,808.34 = 158,759.88/x
  3. Step 3: Cross multiply
    286,083.24x = 394,808.34 × 158,759.88
  4. Step 4: Simplify right side
    286,083.24x = 62,679,724,681.40
  5. Step 5: Solve for x
    x = 62,679,724,681.40/286,083.24
  6. Step 6: Final answer
    x = 219,096.11

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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.