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Finding the Fourth Proportional to 241,915.96, 333,855.41 and 134,487.78

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Solution

The fourth proportional to 241,915.96, 333,855.41 and 134,487.78 is: 185,599.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,915.96 : 333,855.41 = 134,487.78 : x
  2. Step 2: Convert to fraction form
    241,915.96/333,855.41 = 134,487.78/x
  3. Step 3: Cross multiply
    241,915.96x = 333,855.41 × 134,487.78
  4. Step 4: Simplify right side
    241,915.96x = 44,899,474,102.75
  5. Step 5: Solve for x
    x = 44,899,474,102.75/241,915.96
  6. Step 6: Final answer
    x = 185,599.47

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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.