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Finding the Fourth Proportional to 360,206.94, 540,310.41 and 135,617.76

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Solution

The fourth proportional to 360,206.94, 540,310.41 and 135,617.76 is: 203,426.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,206.94 : 540,310.41 = 135,617.76 : x
  2. Step 2: Convert to fraction form
    360,206.94/540,310.41 = 135,617.76/x
  3. Step 3: Cross multiply
    360,206.94x = 540,310.41 × 135,617.76
  4. Step 4: Simplify right side
    360,206.94x = 73,275,687,508.88
  5. Step 5: Solve for x
    x = 73,275,687,508.88/360,206.94
  6. Step 6: Final answer
    x = 203,426.64

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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.