Home / 286,061.52-394,771.32-158,735.28

Finding the Fourth Proportional to 286,061.52, 394,771.32 and 158,735.28

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Solution

The fourth proportional to 286,061.52, 394,771.32 and 158,735.28 is: 219,058.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,061.52 : 394,771.32 = 158,735.28 : x
  2. Step 2: Convert to fraction form
    286,061.52/394,771.32 = 158,735.28/x
  3. Step 3: Cross multiply
    286,061.52x = 394,771.32 × 158,735.28
  4. Step 4: Simplify right side
    286,061.52x = 62,664,136,016.17
  5. Step 5: Solve for x
    x = 62,664,136,016.17/286,061.52
  6. Step 6: Final answer
    x = 219,058.25

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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.