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Finding the Fourth Proportional to 339,457.56, 468,466.26 and 188,554.56

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Solution

The fourth proportional to 339,457.56, 468,466.26 and 188,554.56 is: 260,213.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,457.56 : 468,466.26 = 188,554.56 : x
  2. Step 2: Convert to fraction form
    339,457.56/468,466.26 = 188,554.56/x
  3. Step 3: Cross multiply
    339,457.56x = 468,466.26 × 188,554.56
  4. Step 4: Simplify right side
    339,457.56x = 88,331,449,529.15
  5. Step 5: Solve for x
    x = 88,331,449,529.15/339,457.56
  6. Step 6: Final answer
    x = 260,213.53

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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.