Home / 578,049.73-867,157.68-178,721.64

Finding the Fourth Proportional to 578,049.73, 867,157.68 and 178,721.64

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Solution

The fourth proportional to 578,049.73, 867,157.68 and 178,721.64 is: 268,108.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,049.73 : 867,157.68 = 178,721.64 : x
  2. Step 2: Convert to fraction form
    578,049.73/867,157.68 = 178,721.64/x
  3. Step 3: Cross multiply
    578,049.73x = 867,157.68 × 178,721.64
  4. Step 4: Simplify right side
    578,049.73x = 154,979,843,121.94
  5. Step 5: Solve for x
    x = 154,979,843,121.94/578,049.73
  6. Step 6: Final answer
    x = 268,108.15

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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.