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Finding the Fourth Proportional to 376,222.87, 564,332.78 and 136,280.62

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Solution

The fourth proportional to 376,222.87, 564,332.78 and 136,280.62 is: 204,420.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,222.87 : 564,332.78 = 136,280.62 : x
  2. Step 2: Convert to fraction form
    376,222.87/564,332.78 = 136,280.62/x
  3. Step 3: Cross multiply
    376,222.87x = 564,332.78 × 136,280.62
  4. Step 4: Simplify right side
    376,222.87x = 76,907,621,144.72
  5. Step 5: Solve for x
    x = 76,907,621,144.72/376,222.87
  6. Step 6: Final answer
    x = 204,420.38

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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.