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Finding the Fourth Proportional to 360,082.56, 540,189.45 and 123,449.16

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Solution

The fourth proportional to 360,082.56, 540,189.45 and 123,449.16 is: 185,196.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,082.56 : 540,189.45 = 123,449.16 : x
  2. Step 2: Convert to fraction form
    360,082.56/540,189.45 = 123,449.16/x
  3. Step 3: Cross multiply
    360,082.56x = 540,189.45 × 123,449.16
  4. Step 4: Simplify right side
    360,082.56x = 66,685,933,843.36
  5. Step 5: Solve for x
    x = 66,685,933,843.36/360,082.56
  6. Step 6: Final answer
    x = 185,196.23

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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.