Home / 339,780.02-508,989.56-204,768.90

Finding the Fourth Proportional to 339,780.02, 508,989.56 and 204,768.90

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Solution

The fourth proportional to 339,780.02, 508,989.56 and 204,768.90 is: 306,743.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,780.02 : 508,989.56 = 204,768.90 : x
  2. Step 2: Convert to fraction form
    339,780.02/508,989.56 = 204,768.90/x
  3. Step 3: Cross multiply
    339,780.02x = 508,989.56 × 204,768.90
  4. Step 4: Simplify right side
    339,780.02x = 104,225,231,288.84
  5. Step 5: Solve for x
    x = 104,225,231,288.84/339,780.02
  6. Step 6: Final answer
    x = 306,743.27

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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.