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Finding the Fourth Proportional to 397,470.22, 595,208.28 and 237,447.44

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Solution

The fourth proportional to 397,470.22, 595,208.28 and 237,447.44 is: 355,575.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,470.22 : 595,208.28 = 237,447.44 : x
  2. Step 2: Convert to fraction form
    397,470.22/595,208.28 = 237,447.44/x
  3. Step 3: Cross multiply
    397,470.22x = 595,208.28 × 237,447.44
  4. Step 4: Simplify right side
    397,470.22x = 141,330,682,352.80
  5. Step 5: Solve for x
    x = 141,330,682,352.80/397,470.22
  6. Step 6: Final answer
    x = 355,575.53

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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.