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Finding the Fourth Proportional to 352,731.33, 486,772.82 and 191,589.53

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Solution

The fourth proportional to 352,731.33, 486,772.82 and 191,589.53 is: 264,395.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,731.33 : 486,772.82 = 191,589.53 : x
  2. Step 2: Convert to fraction form
    352,731.33/486,772.82 = 191,589.53/x
  3. Step 3: Cross multiply
    352,731.33x = 486,772.82 × 191,589.53
  4. Step 4: Simplify right side
    352,731.33x = 93,260,572,408.76
  5. Step 5: Solve for x
    x = 93,260,572,408.76/352,731.33
  6. Step 6: Final answer
    x = 264,395.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.