Home / 245,682.16-367,785.09-220,017.70

Finding the Fourth Proportional to 245,682.16, 367,785.09 and 220,017.70

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Solution

The fourth proportional to 245,682.16, 367,785.09 and 220,017.70 is: 329,365.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,682.16 : 367,785.09 = 220,017.70 : x
  2. Step 2: Convert to fraction form
    245,682.16/367,785.09 = 220,017.70/x
  3. Step 3: Cross multiply
    245,682.16x = 367,785.09 × 220,017.70
  4. Step 4: Simplify right side
    245,682.16x = 80,919,229,596.09
  5. Step 5: Solve for x
    x = 80,919,229,596.09/245,682.16
  6. Step 6: Final answer
    x = 329,365.51

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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.