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Finding the Fourth Proportional to 213,757.68, 320,680.24 and 73,498.08

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Solution

The fourth proportional to 213,757.68, 320,680.24 and 73,498.08 is: 110,262.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,757.68 : 320,680.24 = 73,498.08 : x
  2. Step 2: Convert to fraction form
    213,757.68/320,680.24 = 73,498.08/x
  3. Step 3: Cross multiply
    213,757.68x = 320,680.24 × 73,498.08
  4. Step 4: Simplify right side
    213,757.68x = 23,569,381,933.94
  5. Step 5: Solve for x
    x = 23,569,381,933.94/213,757.68
  6. Step 6: Final answer
    x = 110,262.15

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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.