Home / 269,015.86-371,229.92-154,212.20

Finding the Fourth Proportional to 269,015.86, 371,229.92 and 154,212.20

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Solution

The fourth proportional to 269,015.86, 371,229.92 and 154,212.20 is: 212,805.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,015.86 : 371,229.92 = 154,212.20 : x
  2. Step 2: Convert to fraction form
    269,015.86/371,229.92 = 154,212.20/x
  3. Step 3: Cross multiply
    269,015.86x = 371,229.92 × 154,212.20
  4. Step 4: Simplify right side
    269,015.86x = 57,248,182,012.22
  5. Step 5: Solve for x
    x = 57,248,182,012.22/269,015.86
  6. Step 6: Final answer
    x = 212,805.97

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1.5x scale

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.