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Finding the Fourth Proportional to 244,480.78, 337,384.71 and 142,576.91

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Solution

The fourth proportional to 244,480.78, 337,384.71 and 142,576.91 is: 196,756.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,480.78 : 337,384.71 = 142,576.91 : x
  2. Step 2: Convert to fraction form
    244,480.78/337,384.71 = 142,576.91/x
  3. Step 3: Cross multiply
    244,480.78x = 337,384.71 × 142,576.91
  4. Step 4: Simplify right side
    244,480.78x = 48,103,269,011.32
  5. Step 5: Solve for x
    x = 48,103,269,011.32/244,480.78
  6. Step 6: Final answer
    x = 196,756.85

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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.