Home / 340,625.25-470,062.85-189,731.97

Finding the Fourth Proportional to 340,625.25, 470,062.85 and 189,731.97

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Solution

The fourth proportional to 340,625.25, 470,062.85 and 189,731.97 is: 261,830.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,625.25 : 470,062.85 = 189,731.97 : x
  2. Step 2: Convert to fraction form
    340,625.25/470,062.85 = 189,731.97/x
  3. Step 3: Cross multiply
    340,625.25x = 470,062.85 × 189,731.97
  4. Step 4: Simplify right side
    340,625.25x = 89,185,949,605.65
  5. Step 5: Solve for x
    x = 89,185,949,605.65/340,625.25
  6. Step 6: Final answer
    x = 261,830.12

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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.