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Finding the Fourth Proportional to 466,163.20, 699,417.60 and 185,881.60

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Solution

The fourth proportional to 466,163.20, 699,417.60 and 185,881.60 is: 278,891.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,163.20 : 699,417.60 = 185,881.60 : x
  2. Step 2: Convert to fraction form
    466,163.20/699,417.60 = 185,881.60/x
  3. Step 3: Cross multiply
    466,163.20x = 699,417.60 × 185,881.60
  4. Step 4: Simplify right side
    466,163.20x = 130,008,862,556.16
  5. Step 5: Solve for x
    x = 130,008,862,556.16/466,163.20
  6. Step 6: Final answer
    x = 278,891.30

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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.