Home / 269,044.25-371,423.54-208,478.93

Finding the Fourth Proportional to 269,044.25, 371,423.54 and 208,478.93

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Solution

The fourth proportional to 269,044.25, 371,423.54 and 208,478.93 is: 287,811.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,044.25 : 371,423.54 = 208,478.93 : x
  2. Step 2: Convert to fraction form
    269,044.25/371,423.54 = 208,478.93/x
  3. Step 3: Cross multiply
    269,044.25x = 371,423.54 × 208,478.93
  4. Step 4: Simplify right side
    269,044.25x = 77,433,980,860.09
  5. Step 5: Solve for x
    x = 77,433,980,860.09/269,044.25
  6. Step 6: Final answer
    x = 287,811.33

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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.