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Finding the Fourth Proportional to 166,880, 250,317.28 and 40,521.28

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Solution

The fourth proportional to 166,880, 250,317.28 and 40,521.28 is: 60,781.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,880 : 250,317.28 = 40,521.28 : x
  2. Step 2: Convert to fraction form
    166,880/250,317.28 = 40,521.28/x
  3. Step 3: Cross multiply
    166,880x = 250,317.28 × 40,521.28
  4. Step 4: Simplify right side
    166,880x = 10,143,176,591.72
  5. Step 5: Solve for x
    x = 10,143,176,591.72/166,880
  6. Step 6: Final answer
    x = 60,781.26

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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.