Home / 269,288.28-371,602.08-154,540.44

Finding the Fourth Proportional to 269,288.28, 371,602.08 and 154,540.44

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Solution

The fourth proportional to 269,288.28, 371,602.08 and 154,540.44 is: 213,256.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,288.28 : 371,602.08 = 154,540.44 : x
  2. Step 2: Convert to fraction form
    269,288.28/371,602.08 = 154,540.44/x
  3. Step 3: Cross multiply
    269,288.28x = 371,602.08 × 154,540.44
  4. Step 4: Simplify right side
    269,288.28x = 57,427,548,948.12
  5. Step 5: Solve for x
    x = 57,427,548,948.12/269,288.28
  6. Step 6: Final answer
    x = 213,256.77

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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.