Home / 209,467.62-312,778.37-203,792.22

Finding the Fourth Proportional to 209,467.62, 312,778.37 and 203,792.22

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Solution

The fourth proportional to 209,467.62, 312,778.37 and 203,792.22 is: 304,303.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,467.62 : 312,778.37 = 203,792.22 : x
  2. Step 2: Convert to fraction form
    209,467.62/312,778.37 = 203,792.22/x
  3. Step 3: Cross multiply
    209,467.62x = 312,778.37 × 203,792.22
  4. Step 4: Simplify right side
    209,467.62x = 63,741,797,371.32
  5. Step 5: Solve for x
    x = 63,741,797,371.32/209,467.62
  6. Step 6: Final answer
    x = 304,303.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.