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Finding the Fourth Proportional to 273,017.56, 409,532.82 and 73,338.20

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Solution

The fourth proportional to 273,017.56, 409,532.82 and 73,338.20 is: 110,009.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,017.56 : 409,532.82 = 73,338.20 : x
  2. Step 2: Convert to fraction form
    273,017.56/409,532.82 = 73,338.20/x
  3. Step 3: Cross multiply
    273,017.56x = 409,532.82 × 73,338.20
  4. Step 4: Simplify right side
    273,017.56x = 30,034,399,859.72
  5. Step 5: Solve for x
    x = 30,034,399,859.72/273,017.56
  6. Step 6: Final answer
    x = 110,009.04

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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.