Home / 217,882.41-300,693.06-122,389.18

Finding the Fourth Proportional to 217,882.41, 300,693.06 and 122,389.18

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Solution

The fourth proportional to 217,882.41, 300,693.06 and 122,389.18 is: 168,905.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,882.41 : 300,693.06 = 122,389.18 : x
  2. Step 2: Convert to fraction form
    217,882.41/300,693.06 = 122,389.18/x
  3. Step 3: Cross multiply
    217,882.41x = 300,693.06 × 122,389.18
  4. Step 4: Simplify right side
    217,882.41x = 36,801,576,293.36
  5. Step 5: Solve for x
    x = 36,801,576,293.36/217,882.41
  6. Step 6: Final answer
    x = 168,905.68

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1.5x scale

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.