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Finding the Fourth Proportional to 294,866.17, 406,645.45 and 218,575.33

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Solution

The fourth proportional to 294,866.17, 406,645.45 and 218,575.33 is: 301,433.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,866.17 : 406,645.45 = 218,575.33 : x
  2. Step 2: Convert to fraction form
    294,866.17/406,645.45 = 218,575.33/x
  3. Step 3: Cross multiply
    294,866.17x = 406,645.45 × 218,575.33
  4. Step 4: Simplify right side
    294,866.17x = 88,882,661,863.70
  5. Step 5: Solve for x
    x = 88,882,661,863.70/294,866.17
  6. Step 6: Final answer
    x = 301,433.91

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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.