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Finding the Fourth Proportional to 488,441.80, 732,317.10 and 188,806.60

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Solution

The fourth proportional to 488,441.80, 732,317.10 and 188,806.60 is: 283,076.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,441.80 : 732,317.10 = 188,806.60 : x
  2. Step 2: Convert to fraction form
    488,441.80/732,317.10 = 188,806.60/x
  3. Step 3: Cross multiply
    488,441.80x = 732,317.10 × 188,806.60
  4. Step 4: Simplify right side
    488,441.80x = 138,266,301,772.86
  5. Step 5: Solve for x
    x = 138,266,301,772.86/488,441.80
  6. Step 6: Final answer
    x = 283,076.31

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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.