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Finding the Fourth Proportional to 672,191.68, 1,008,365.52 and 222,952

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Solution

The fourth proportional to 672,191.68, 1,008,365.52 and 222,952 is: 334,453.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,191.68 : 1,008,365.52 = 222,952 : x
  2. Step 2: Convert to fraction form
    672,191.68/1,008,365.52 = 222,952/x
  3. Step 3: Cross multiply
    672,191.68x = 1,008,365.52 × 222,952
  4. Step 4: Simplify right side
    672,191.68x = 224,817,109,415.04
  5. Step 5: Solve for x
    x = 224,817,109,415.04/672,191.68
  6. Step 6: Final answer
    x = 334,453.87

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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.