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Finding the Fourth Proportional to 337,008, 505,900.80 and 171,145.92

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Solution

The fourth proportional to 337,008, 505,900.80 and 171,145.92 is: 256,916.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,008 : 505,900.80 = 171,145.92 : x
  2. Step 2: Convert to fraction form
    337,008/505,900.80 = 171,145.92/x
  3. Step 3: Cross multiply
    337,008x = 505,900.80 × 171,145.92
  4. Step 4: Simplify right side
    337,008x = 86,582,857,844.74
  5. Step 5: Solve for x
    x = 86,582,857,844.74/337,008
  6. Step 6: Final answer
    x = 256,916.33

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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.