Home / 269,079.36-371,332.08-148,221.20

Finding the Fourth Proportional to 269,079.36, 371,332.08 and 148,221.20

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Solution

The fourth proportional to 269,079.36, 371,332.08 and 148,221.20 is: 204,546.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,079.36 : 371,332.08 = 148,221.20 : x
  2. Step 2: Convert to fraction form
    269,079.36/371,332.08 = 148,221.20/x
  3. Step 3: Cross multiply
    269,079.36x = 371,332.08 × 148,221.20
  4. Step 4: Simplify right side
    269,079.36x = 55,039,286,496.10
  5. Step 5: Solve for x
    x = 55,039,286,496.10/269,079.36
  6. Step 6: Final answer
    x = 204,546.67

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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.