Home / 285,530.56-394,032.80-158,207.04

Finding the Fourth Proportional to 285,530.56, 394,032.80 and 158,207.04

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Solution

The fourth proportional to 285,530.56, 394,032.80 and 158,207.04 is: 218,326.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,530.56 : 394,032.80 = 158,207.04 : x
  2. Step 2: Convert to fraction form
    285,530.56/394,032.80 = 158,207.04/x
  3. Step 3: Cross multiply
    285,530.56x = 394,032.80 × 158,207.04
  4. Step 4: Simplify right side
    285,530.56x = 62,338,762,950.91
  5. Step 5: Solve for x
    x = 62,338,762,950.91/285,530.56
  6. Step 6: Final answer
    x = 218,326.06

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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.