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Finding the Fourth Proportional to 652,153.90, 978,403.65 and 231,385.90

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Solution

The fourth proportional to 652,153.90, 978,403.65 and 231,385.90 is: 347,140.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,153.90 : 978,403.65 = 231,385.90 : x
  2. Step 2: Convert to fraction form
    652,153.90/978,403.65 = 231,385.90/x
  3. Step 3: Cross multiply
    652,153.90x = 978,403.65 × 231,385.90
  4. Step 4: Simplify right side
    652,153.90x = 226,388,809,118.54
  5. Step 5: Solve for x
    x = 226,388,809,118.54/652,153.90
  6. Step 6: Final answer
    x = 347,140.16

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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.