Home / 258,621.35-356,891.83-149,730.28

Finding the Fourth Proportional to 258,621.35, 356,891.83 and 149,730.28

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Solution

The fourth proportional to 258,621.35, 356,891.83 and 149,730.28 is: 206,624.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,621.35 : 356,891.83 = 149,730.28 : x
  2. Step 2: Convert to fraction form
    258,621.35/356,891.83 = 149,730.28/x
  3. Step 3: Cross multiply
    258,621.35x = 356,891.83 × 149,730.28
  4. Step 4: Simplify right side
    258,621.35x = 53,437,512,369.06
  5. Step 5: Solve for x
    x = 53,437,512,369.06/258,621.35
  6. Step 6: Final answer
    x = 206,624.52

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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.