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Finding the Fourth Proportional to 656,519.88, 985,222.39 and 230,059.54

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Solution

The fourth proportional to 656,519.88, 985,222.39 and 230,059.54 is: 345,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,519.88 : 985,222.39 = 230,059.54 : x
  2. Step 2: Convert to fraction form
    656,519.88/985,222.39 = 230,059.54/x
  3. Step 3: Cross multiply
    656,519.88x = 985,222.39 × 230,059.54
  4. Step 4: Simplify right side
    656,519.88x = 226,659,809,841.10
  5. Step 5: Solve for x
    x = 226,659,809,841.10/656,519.88
  6. Step 6: Final answer
    x = 345,244.40

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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.