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Finding the Fourth Proportional to 652,149.90, 978,397.65 and 231,381.90

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Solution

The fourth proportional to 652,149.90, 978,397.65 and 231,381.90 is: 347,134.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,149.90 : 978,397.65 = 231,381.90 : x
  2. Step 2: Convert to fraction form
    652,149.90/978,397.65 = 231,381.90/x
  3. Step 3: Cross multiply
    652,149.90x = 978,397.65 × 231,381.90
  4. Step 4: Simplify right side
    652,149.90x = 226,383,507,212.54
  5. Step 5: Solve for x
    x = 226,383,507,212.54/652,149.90
  6. Step 6: Final answer
    x = 347,134.16

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.