Home / 339,972.66-509,977.17-87,255.33

Finding the Fourth Proportional to 339,972.66, 509,977.17 and 87,255.33

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Solution

The fourth proportional to 339,972.66, 509,977.17 and 87,255.33 is: 130,887.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,972.66 : 509,977.17 = 87,255.33 : x
  2. Step 2: Convert to fraction form
    339,972.66/509,977.17 = 87,255.33/x
  3. Step 3: Cross multiply
    339,972.66x = 509,977.17 × 87,255.33
  4. Step 4: Simplify right side
    339,972.66x = 44,498,226,260.82
  5. Step 5: Solve for x
    x = 44,498,226,260.82/339,972.66
  6. Step 6: Final answer
    x = 130,887.66

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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.