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Finding the Fourth Proportional to 339,857.37, 509,753.00 and 103,202.10

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Solution

The fourth proportional to 339,857.37, 509,753.00 and 103,202.10 is: 154,793.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,857.37 : 509,753.00 = 103,202.10 : x
  2. Step 2: Convert to fraction form
    339,857.37/509,753.00 = 103,202.10/x
  3. Step 3: Cross multiply
    339,857.37x = 509,753.00 × 103,202.10
  4. Step 4: Simplify right side
    339,857.37x = 52,607,579,565.29
  5. Step 5: Solve for x
    x = 52,607,579,565.29/339,857.37
  6. Step 6: Final answer
    x = 154,793.11

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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.