Home / 339,939.72-509,967.90-182,125.80

Finding the Fourth Proportional to 339,939.72, 509,967.90 and 182,125.80

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Solution

The fourth proportional to 339,939.72, 509,967.90 and 182,125.80 is: 273,219.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,939.72 : 509,967.90 = 182,125.80 : x
  2. Step 2: Convert to fraction form
    339,939.72/509,967.90 = 182,125.80/x
  3. Step 3: Cross multiply
    339,939.72x = 509,967.90 × 182,125.80
  4. Step 4: Simplify right side
    339,939.72x = 92,878,311,761.82
  5. Step 5: Solve for x
    x = 92,878,311,761.82/339,939.72
  6. Step 6: Final answer
    x = 273,219.95

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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.