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Finding the Fourth Proportional to 247,277.70, 370,916.55 and 164,171.70

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Solution

The fourth proportional to 247,277.70, 370,916.55 and 164,171.70 is: 246,257.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,277.70 : 370,916.55 = 164,171.70 : x
  2. Step 2: Convert to fraction form
    247,277.70/370,916.55 = 164,171.70/x
  3. Step 3: Cross multiply
    247,277.70x = 370,916.55 × 164,171.70
  4. Step 4: Simplify right side
    247,277.70x = 60,894,000,571.64
  5. Step 5: Solve for x
    x = 60,894,000,571.64/247,277.70
  6. Step 6: Final answer
    x = 246,257.55

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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.