Home / 205,919.58-308,884.77-70,982.22

Finding the Fourth Proportional to 205,919.58, 308,884.77 and 70,982.22

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Solution

The fourth proportional to 205,919.58, 308,884.77 and 70,982.22 is: 106,475.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,919.58 : 308,884.77 = 70,982.22 : x
  2. Step 2: Convert to fraction form
    205,919.58/308,884.77 = 70,982.22/x
  3. Step 3: Cross multiply
    205,919.58x = 308,884.77 × 70,982.22
  4. Step 4: Simplify right side
    205,919.58x = 21,925,326,698.79
  5. Step 5: Solve for x
    x = 21,925,326,698.79/205,919.58
  6. Step 6: Final answer
    x = 106,475.19

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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.