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Finding the Fourth Proportional to 439,093.48, 605,951.50 and 237,889.48

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Solution

The fourth proportional to 439,093.48, 605,951.50 and 237,889.48 is: 328,288.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,093.48 : 605,951.50 = 237,889.48 : x
  2. Step 2: Convert to fraction form
    439,093.48/605,951.50 = 237,889.48/x
  3. Step 3: Cross multiply
    439,093.48x = 605,951.50 × 237,889.48
  4. Step 4: Simplify right side
    439,093.48x = 144,149,487,240.22
  5. Step 5: Solve for x
    x = 144,149,487,240.22/439,093.48
  6. Step 6: Final answer
    x = 328,288.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.