Home / 215,768.30-297,773.07-120,274.70

Finding the Fourth Proportional to 215,768.30, 297,773.07 and 120,274.70

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Solution

The fourth proportional to 215,768.30, 297,773.07 and 120,274.70 is: 165,986.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,768.30 : 297,773.07 = 120,274.70 : x
  2. Step 2: Convert to fraction form
    215,768.30/297,773.07 = 120,274.70/x
  3. Step 3: Cross multiply
    215,768.30x = 297,773.07 × 120,274.70
  4. Step 4: Simplify right side
    215,768.30x = 35,814,566,662.33
  5. Step 5: Solve for x
    x = 35,814,566,662.33/215,768.30
  6. Step 6: Final answer
    x = 165,986.23

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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.