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Finding the Fourth Proportional to 539,443.60, 809,359.80 and 224,126.80

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Solution

The fourth proportional to 539,443.60, 809,359.80 and 224,126.80 is: 336,270.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,443.60 : 809,359.80 = 224,126.80 : x
  2. Step 2: Convert to fraction form
    539,443.60/809,359.80 = 224,126.80/x
  3. Step 3: Cross multiply
    539,443.60x = 809,359.80 × 224,126.80
  4. Step 4: Simplify right side
    539,443.60x = 181,399,222,022.64
  5. Step 5: Solve for x
    x = 181,399,222,022.64/539,443.60
  6. Step 6: Final answer
    x = 336,270.97

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1.5x scale

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.