Home / 339,433.22-509,360.09-197,345.36

Finding the Fourth Proportional to 339,433.22, 509,360.09 and 197,345.36

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Solution

The fourth proportional to 339,433.22, 509,360.09 and 197,345.36 is: 296,140.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,433.22 : 509,360.09 = 197,345.36 : x
  2. Step 2: Convert to fraction form
    339,433.22/509,360.09 = 197,345.36/x
  3. Step 3: Cross multiply
    339,433.22x = 509,360.09 × 197,345.36
  4. Step 4: Simplify right side
    339,433.22x = 100,519,850,617.36
  5. Step 5: Solve for x
    x = 100,519,850,617.36/339,433.22
  6. Step 6: Final answer
    x = 296,140.28

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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.