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Finding the Fourth Proportional to 483,524.34, 725,089.68 and 217,213.32

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Solution

The fourth proportional to 483,524.34, 725,089.68 and 217,213.32 is: 325,731.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,524.34 : 725,089.68 = 217,213.32 : x
  2. Step 2: Convert to fraction form
    483,524.34/725,089.68 = 217,213.32/x
  3. Step 3: Cross multiply
    483,524.34x = 725,089.68 × 217,213.32
  4. Step 4: Simplify right side
    483,524.34x = 157,499,136,690.54
  5. Step 5: Solve for x
    x = 157,499,136,690.54/483,524.34
  6. Step 6: Final answer
    x = 325,731.56

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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.