Home / 269,811.58-404,685.14-209,899.86

Finding the Fourth Proportional to 269,811.58, 404,685.14 and 209,899.86

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Solution

The fourth proportional to 269,811.58, 404,685.14 and 209,899.86 is: 314,824.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,811.58 : 404,685.14 = 209,899.86 : x
  2. Step 2: Convert to fraction form
    269,811.58/404,685.14 = 209,899.86/x
  3. Step 3: Cross multiply
    269,811.58x = 404,685.14 × 209,899.86
  4. Step 4: Simplify right side
    269,811.58x = 84,943,352,253.36
  5. Step 5: Solve for x
    x = 84,943,352,253.36/269,811.58
  6. Step 6: Final answer
    x = 314,824.71

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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.