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Finding the Fourth Proportional to 223,187.52, 334,744.32 and 73,429.68

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Solution

The fourth proportional to 223,187.52, 334,744.32 and 73,429.68 is: 110,132.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,187.52 : 334,744.32 = 73,429.68 : x
  2. Step 2: Convert to fraction form
    223,187.52/334,744.32 = 73,429.68/x
  3. Step 3: Cross multiply
    223,187.52x = 334,744.32 × 73,429.68
  4. Step 4: Simplify right side
    223,187.52x = 24,580,168,299.42
  5. Step 5: Solve for x
    x = 24,580,168,299.42/223,187.52
  6. Step 6: Final answer
    x = 110,132.36

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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.