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Finding the Fourth Proportional to 244,135, 336,877.95 and 142,182.73

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Solution

The fourth proportional to 244,135, 336,877.95 and 142,182.73 is: 196,195.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,135 : 336,877.95 = 142,182.73 : x
  2. Step 2: Convert to fraction form
    244,135/336,877.95 = 142,182.73/x
  3. Step 3: Cross multiply
    244,135x = 336,877.95 × 142,182.73
  4. Step 4: Simplify right side
    244,135x = 47,898,226,607.80
  5. Step 5: Solve for x
    x = 47,898,226,607.80/244,135
  6. Step 6: Final answer
    x = 196,195.66

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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.