Home / 215,828.28-297,843.21-120,333.06

Finding the Fourth Proportional to 215,828.28, 297,843.21 and 120,333.06

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Solution

The fourth proportional to 215,828.28, 297,843.21 and 120,333.06 is: 166,059.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,828.28 : 297,843.21 = 120,333.06 : x
  2. Step 2: Convert to fraction form
    215,828.28/297,843.21 = 120,333.06/x
  3. Step 3: Cross multiply
    215,828.28x = 297,843.21 × 120,333.06
  4. Step 4: Simplify right side
    215,828.28x = 35,840,384,859.52
  5. Step 5: Solve for x
    x = 35,840,384,859.52/215,828.28
  6. Step 6: Final answer
    x = 166,059.73

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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.