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Finding the Fourth Proportional to 488,993.29, 733,338.04 and 236,116.56

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Solution

The fourth proportional to 488,993.29, 733,338.04 and 236,116.56 is: 354,101.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,993.29 : 733,338.04 = 236,116.56 : x
  2. Step 2: Convert to fraction form
    488,993.29/733,338.04 = 236,116.56/x
  3. Step 3: Cross multiply
    488,993.29x = 733,338.04 × 236,116.56
  4. Step 4: Simplify right side
    488,993.29x = 173,153,255,321.94
  5. Step 5: Solve for x
    x = 173,153,255,321.94/488,993.29
  6. Step 6: Final answer
    x = 354,101.50

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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.