Home / 269,045.37-371,425.10-208,480.05

Finding the Fourth Proportional to 269,045.37, 371,425.10 and 208,480.05

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Solution

The fourth proportional to 269,045.37, 371,425.10 and 208,480.05 is: 287,812.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,045.37 : 371,425.10 = 208,480.05 : x
  2. Step 2: Convert to fraction form
    269,045.37/371,425.10 = 208,480.05/x
  3. Step 3: Cross multiply
    269,045.37x = 371,425.10 × 208,480.05
  4. Step 4: Simplify right side
    269,045.37x = 77,434,722,376.85
  5. Step 5: Solve for x
    x = 77,434,722,376.85/269,045.37
  6. Step 6: Final answer
    x = 287,812.88

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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.