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Finding the Fourth Proportional to 339,525.36, 468,559.08 and 188,622

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Solution

The fourth proportional to 339,525.36, 468,559.08 and 188,622 is: 260,306.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,525.36 : 468,559.08 = 188,622 : x
  2. Step 2: Convert to fraction form
    339,525.36/468,559.08 = 188,622/x
  3. Step 3: Cross multiply
    339,525.36x = 468,559.08 × 188,622
  4. Step 4: Simplify right side
    339,525.36x = 88,380,550,787.76
  5. Step 5: Solve for x
    x = 88,380,550,787.76/339,525.36
  6. Step 6: Final answer
    x = 260,306.18

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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.