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Finding the Fourth Proportional to 250,847.75, 376,270.16 and 61,309.11

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Solution

The fourth proportional to 250,847.75, 376,270.16 and 61,309.11 is: 91,963.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,847.75 : 376,270.16 = 61,309.11 : x
  2. Step 2: Convert to fraction form
    250,847.75/376,270.16 = 61,309.11/x
  3. Step 3: Cross multiply
    250,847.75x = 376,270.16 × 61,309.11
  4. Step 4: Simplify right side
    250,847.75x = 23,068,788,322.61
  5. Step 5: Solve for x
    x = 23,068,788,322.61/250,847.75
  6. Step 6: Final answer
    x = 91,963.31

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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.