Home / 215,258.24-322,676.56-80,223.45

Finding the Fourth Proportional to 215,258.24, 322,676.56 and 80,223.45

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Solution

The fourth proportional to 215,258.24, 322,676.56 and 80,223.45 is: 120,256.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,258.24 : 322,676.56 = 80,223.45 : x
  2. Step 2: Convert to fraction form
    215,258.24/322,676.56 = 80,223.45/x
  3. Step 3: Cross multiply
    215,258.24x = 322,676.56 × 80,223.45
  4. Step 4: Simplify right side
    215,258.24x = 25,886,225,767.57
  5. Step 5: Solve for x
    x = 25,886,225,767.57/215,258.24
  6. Step 6: Final answer
    x = 120,256.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.