Home / 272,022.30-408,033.45-266,190.30

Finding the Fourth Proportional to 272,022.30, 408,033.45 and 266,190.30

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Solution

The fourth proportional to 272,022.30, 408,033.45 and 266,190.30 is: 399,285.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,022.30 : 408,033.45 = 266,190.30 : x
  2. Step 2: Convert to fraction form
    272,022.30/408,033.45 = 266,190.30/x
  3. Step 3: Cross multiply
    272,022.30x = 408,033.45 × 266,190.30
  4. Step 4: Simplify right side
    272,022.30x = 108,614,546,465.54
  5. Step 5: Solve for x
    x = 108,614,546,465.54/272,022.30
  6. Step 6: Final answer
    x = 399,285.45

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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.