Home / 215,929.80-323,029.62-186,662.88

Finding the Fourth Proportional to 215,929.80, 323,029.62 and 186,662.88

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Solution

The fourth proportional to 215,929.80, 323,029.62 and 186,662.88 is: 279,246.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,929.80 : 323,029.62 = 186,662.88 : x
  2. Step 2: Convert to fraction form
    215,929.80/323,029.62 = 186,662.88/x
  3. Step 3: Cross multiply
    215,929.80x = 323,029.62 × 186,662.88
  4. Step 4: Simplify right side
    215,929.80x = 60,297,639,194.51
  5. Step 5: Solve for x
    x = 60,297,639,194.51/215,929.80
  6. Step 6: Final answer
    x = 279,246.49

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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.