Home / 215,723.49-297,708.58-120,230.87

Finding the Fourth Proportional to 215,723.49, 297,708.58 and 120,230.87

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Solution

The fourth proportional to 215,723.49, 297,708.58 and 120,230.87 is: 165,924.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,723.49 : 297,708.58 = 120,230.87 : x
  2. Step 2: Convert to fraction form
    215,723.49/297,708.58 = 120,230.87/x
  3. Step 3: Cross multiply
    215,723.49x = 297,708.58 × 120,230.87
  4. Step 4: Simplify right side
    215,723.49x = 35,793,760,241.61
  5. Step 5: Solve for x
    x = 35,793,760,241.61/215,723.49
  6. Step 6: Final answer
    x = 165,924.26

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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.