Home / 226,882.09-340,243.76-66,915.58

Finding the Fourth Proportional to 226,882.09, 340,243.76 and 66,915.58

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Solution

The fourth proportional to 226,882.09, 340,243.76 and 66,915.58 is: 100,349.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,882.09 : 340,243.76 = 66,915.58 : x
  2. Step 2: Convert to fraction form
    226,882.09/340,243.76 = 66,915.58/x
  3. Step 3: Cross multiply
    226,882.09x = 340,243.76 × 66,915.58
  4. Step 4: Simplify right side
    226,882.09x = 22,767,606,505.98
  5. Step 5: Solve for x
    x = 22,767,606,505.98/226,882.09
  6. Step 6: Final answer
    x = 100,349.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.