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Finding the Fourth Proportional to 352,995.06, 487,136.37 and 191,850.49

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Solution

The fourth proportional to 352,995.06, 487,136.37 and 191,850.49 is: 264,755.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,995.06 : 487,136.37 = 191,850.49 : x
  2. Step 2: Convert to fraction form
    352,995.06/487,136.37 = 191,850.49/x
  3. Step 3: Cross multiply
    352,995.06x = 487,136.37 × 191,850.49
  4. Step 4: Simplify right side
    352,995.06x = 93,457,351,281.32
  5. Step 5: Solve for x
    x = 93,457,351,281.32/352,995.06
  6. Step 6: Final answer
    x = 264,755.41

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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.