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Finding the Fourth Proportional to 539,353.31, 809,391.13 and 223,810.52

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Solution

The fourth proportional to 539,353.31, 809,391.13 and 223,810.52 is: 335,865.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,353.31 : 809,391.13 = 223,810.52 : x
  2. Step 2: Convert to fraction form
    539,353.31/809,391.13 = 223,810.52/x
  3. Step 3: Cross multiply
    539,353.31x = 809,391.13 × 223,810.52
  4. Step 4: Simplify right side
    539,353.31x = 181,150,245,082.21
  5. Step 5: Solve for x
    x = 181,150,245,082.21/539,353.31
  6. Step 6: Final answer
    x = 335,865.64

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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.