Home / 339,919.12-509,878.50-161,886.34

Finding the Fourth Proportional to 339,919.12, 509,878.50 and 161,886.34

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Solution

The fourth proportional to 339,919.12, 509,878.50 and 161,886.34 is: 242,829.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,919.12 : 509,878.50 = 161,886.34 : x
  2. Step 2: Convert to fraction form
    339,919.12/509,878.50 = 161,886.34/x
  3. Step 3: Cross multiply
    339,919.12x = 509,878.50 × 161,886.34
  4. Step 4: Simplify right side
    339,919.12x = 82,542,364,209.69
  5. Step 5: Solve for x
    x = 82,542,364,209.69/339,919.12
  6. Step 6: Final answer
    x = 242,829.42

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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.