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Finding the Fourth Proportional to 245,377.75, 368,153.03 and 120,806.23

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Solution

The fourth proportional to 245,377.75, 368,153.03 and 120,806.23 is: 181,251.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,377.75 : 368,153.03 = 120,806.23 : x
  2. Step 2: Convert to fraction form
    245,377.75/368,153.03 = 120,806.23/x
  3. Step 3: Cross multiply
    245,377.75x = 368,153.03 × 120,806.23
  4. Step 4: Simplify right side
    245,377.75x = 44,475,179,013.35
  5. Step 5: Solve for x
    x = 44,475,179,013.35/245,377.75
  6. Step 6: Final answer
    x = 181,251.88

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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.