Home / 339,753.45-509,630.27-99,867.36

Finding the Fourth Proportional to 339,753.45, 509,630.27 and 99,867.36

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Solution

The fourth proportional to 339,753.45, 509,630.27 and 99,867.36 is: 149,801.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,753.45 : 509,630.27 = 99,867.36 : x
  2. Step 2: Convert to fraction form
    339,753.45/509,630.27 = 99,867.36/x
  3. Step 3: Cross multiply
    339,753.45x = 509,630.27 × 99,867.36
  4. Step 4: Simplify right side
    339,753.45x = 50,895,429,141.65
  5. Step 5: Solve for x
    x = 50,895,429,141.65/339,753.45
  6. Step 6: Final answer
    x = 149,801.07

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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.