Home / 269,079.81-371,328.41-148,218.30

Finding the Fourth Proportional to 269,079.81, 371,328.41 and 148,218.30

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Solution

The fourth proportional to 269,079.81, 371,328.41 and 148,218.30 is: 204,540.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,079.81 : 371,328.41 = 148,218.30 : x
  2. Step 2: Convert to fraction form
    269,079.81/371,328.41 = 148,218.30/x
  3. Step 3: Cross multiply
    269,079.81x = 371,328.41 × 148,218.30
  4. Step 4: Simplify right side
    269,079.81x = 55,037,664,930.81
  5. Step 5: Solve for x
    x = 55,037,664,930.81/269,079.81
  6. Step 6: Final answer
    x = 204,540.30

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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.