Home / 215,313.66-297,185.58-166,819.64

Finding the Fourth Proportional to 215,313.66, 297,185.58 and 166,819.64

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Solution

The fourth proportional to 215,313.66, 297,185.58 and 166,819.64 is: 230,251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,313.66 : 297,185.58 = 166,819.64 : x
  2. Step 2: Convert to fraction form
    215,313.66/297,185.58 = 166,819.64/x
  3. Step 3: Cross multiply
    215,313.66x = 297,185.58 × 166,819.64
  4. Step 4: Simplify right side
    215,313.66x = 49,576,389,982.86
  5. Step 5: Solve for x
    x = 49,576,389,982.86/215,313.66
  6. Step 6: Final answer
    x = 230,251.95

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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.