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Finding the Fourth Proportional to 433,781.44, 650,724.64 and 153,241.28

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Solution

The fourth proportional to 433,781.44, 650,724.64 and 153,241.28 is: 229,880.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,781.44 : 650,724.64 = 153,241.28 : x
  2. Step 2: Convert to fraction form
    433,781.44/650,724.64 = 153,241.28/x
  3. Step 3: Cross multiply
    433,781.44x = 650,724.64 × 153,241.28
  4. Step 4: Simplify right side
    433,781.44x = 99,717,876,761.14
  5. Step 5: Solve for x
    x = 99,717,876,761.14/433,781.44
  6. Step 6: Final answer
    x = 229,880.46

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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.