Home / 204,985.58-307,002.69-197,889.71

Finding the Fourth Proportional to 204,985.58, 307,002.69 and 197,889.71

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Solution

The fourth proportional to 204,985.58, 307,002.69 and 197,889.71 is: 296,375.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,985.58 : 307,002.69 = 197,889.71 : x
  2. Step 2: Convert to fraction form
    204,985.58/307,002.69 = 197,889.71/x
  3. Step 3: Cross multiply
    204,985.58x = 307,002.69 × 197,889.71
  4. Step 4: Simplify right side
    204,985.58x = 60,752,671,758.31
  5. Step 5: Solve for x
    x = 60,752,671,758.31/204,985.58
  6. Step 6: Final answer
    x = 296,375.35

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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.