Home / 285,918.45-394,567.85-158,594.04

Finding the Fourth Proportional to 285,918.45, 394,567.85 and 158,594.04

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Solution

The fourth proportional to 285,918.45, 394,567.85 and 158,594.04 is: 218,859.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,918.45 : 394,567.85 = 158,594.04 : x
  2. Step 2: Convert to fraction form
    285,918.45/394,567.85 = 158,594.04/x
  3. Step 3: Cross multiply
    285,918.45x = 394,567.85 × 158,594.04
  4. Step 4: Simplify right side
    285,918.45x = 62,576,109,385.61
  5. Step 5: Solve for x
    x = 62,576,109,385.61/285,918.45
  6. Step 6: Final answer
    x = 218,859.99

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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.