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Finding the Fourth Proportional to 353,095.38, 529,646.31 and 251,464.68

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Solution

The fourth proportional to 353,095.38, 529,646.31 and 251,464.68 is: 377,199.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,095.38 : 529,646.31 = 251,464.68 : x
  2. Step 2: Convert to fraction form
    353,095.38/529,646.31 = 251,464.68/x
  3. Step 3: Cross multiply
    353,095.38x = 529,646.31 × 251,464.68
  4. Step 4: Simplify right side
    353,095.38x = 133,187,339,857.33
  5. Step 5: Solve for x
    x = 133,187,339,857.33/353,095.38
  6. Step 6: Final answer
    x = 377,199.33

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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.