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Finding the Fourth Proportional to 609,051.58, 913,262.58 and 267,355.15

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Solution

The fourth proportional to 609,051.58, 913,262.58 and 267,355.15 is: 400,894.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,051.58 : 913,262.58 = 267,355.15 : x
  2. Step 2: Convert to fraction form
    609,051.58/913,262.58 = 267,355.15/x
  3. Step 3: Cross multiply
    609,051.58x = 913,262.58 × 267,355.15
  4. Step 4: Simplify right side
    609,051.58x = 244,165,451,782.13
  5. Step 5: Solve for x
    x = 244,165,451,782.13/609,051.58
  6. Step 6: Final answer
    x = 400,894.54

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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.