Home / 396,272.88-546,856.52-226,510.65

Finding the Fourth Proportional to 396,272.88, 546,856.52 and 226,510.65

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Solution

The fourth proportional to 396,272.88, 546,856.52 and 226,510.65 is: 312,584.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,272.88 : 546,856.52 = 226,510.65 : x
  2. Step 2: Convert to fraction form
    396,272.88/546,856.52 = 226,510.65/x
  3. Step 3: Cross multiply
    396,272.88x = 546,856.52 × 226,510.65
  4. Step 4: Simplify right side
    396,272.88x = 123,868,824,669.39
  5. Step 5: Solve for x
    x = 123,868,824,669.39/396,272.88
  6. Step 6: Final answer
    x = 312,584.66

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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.