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Finding the Fourth Proportional to 222,466.55, 333,551.57 and 115,587.86

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Solution

The fourth proportional to 222,466.55, 333,551.57 and 115,587.86 is: 173,304.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,466.55 : 333,551.57 = 115,587.86 : x
  2. Step 2: Convert to fraction form
    222,466.55/333,551.57 = 115,587.86/x
  3. Step 3: Cross multiply
    222,466.55x = 333,551.57 × 115,587.86
  4. Step 4: Simplify right side
    222,466.55x = 38,554,509,930.24
  5. Step 5: Solve for x
    x = 38,554,509,930.24/222,466.55
  6. Step 6: Final answer
    x = 173,304.75

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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.