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Finding the Fourth Proportional to 336,967.67, 505,282.47 and 112,249.10

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Solution

The fourth proportional to 336,967.67, 505,282.47 and 112,249.10 is: 168,317.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,967.67 : 505,282.47 = 112,249.10 : x
  2. Step 2: Convert to fraction form
    336,967.67/505,282.47 = 112,249.10/x
  3. Step 3: Cross multiply
    336,967.67x = 505,282.47 × 112,249.10
  4. Step 4: Simplify right side
    336,967.67x = 56,717,499,976.86
  5. Step 5: Solve for x
    x = 56,717,499,976.86/336,967.67
  6. Step 6: Final answer
    x = 168,317.34

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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.