Home / 217,376.47-299,982.59-131,323.49

Finding the Fourth Proportional to 217,376.47, 299,982.59 and 131,323.49

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Solution

The fourth proportional to 217,376.47, 299,982.59 and 131,323.49 is: 181,228.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,376.47 : 299,982.59 = 131,323.49 : x
  2. Step 2: Convert to fraction form
    217,376.47/299,982.59 = 131,323.49/x
  3. Step 3: Cross multiply
    217,376.47x = 299,982.59 × 131,323.49
  4. Step 4: Simplify right side
    217,376.47x = 39,394,760,658.04
  5. Step 5: Solve for x
    x = 39,394,760,658.04/217,376.47
  6. Step 6: Final answer
    x = 181,228.27

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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.