Home / 433,219.20-650,148.09-205,515.54

Finding the Fourth Proportional to 433,219.20, 650,148.09 and 205,515.54

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Solution

The fourth proportional to 433,219.20, 650,148.09 and 205,515.54 is: 308,424.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,219.20 : 650,148.09 = 205,515.54 : x
  2. Step 2: Convert to fraction form
    433,219.20/650,148.09 = 205,515.54/x
  3. Step 3: Cross multiply
    433,219.20x = 650,148.09 × 205,515.54
  4. Step 4: Simplify right side
    433,219.20x = 133,615,535,796.32
  5. Step 5: Solve for x
    x = 133,615,535,796.32/433,219.20
  6. Step 6: Final answer
    x = 308,424.78

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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.