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Finding the Fourth Proportional to 539,362.80, 809,405.46 and 223,820.01

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Solution

The fourth proportional to 539,362.80, 809,405.46 and 223,820.01 is: 335,879.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,362.80 : 809,405.46 = 223,820.01 : x
  2. Step 2: Convert to fraction form
    539,362.80/809,405.46 = 223,820.01/x
  3. Step 3: Cross multiply
    539,362.80x = 809,405.46 × 223,820.01
  4. Step 4: Simplify right side
    539,362.80x = 181,161,138,151.26
  5. Step 5: Solve for x
    x = 181,161,138,151.26/539,362.80
  6. Step 6: Final answer
    x = 335,879.93

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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.