Home / 352,078.65-485,867.57-190,933.20

Finding the Fourth Proportional to 352,078.65, 485,867.57 and 190,933.20

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Solution

The fourth proportional to 352,078.65, 485,867.57 and 190,933.20 is: 263,487.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,078.65 : 485,867.57 = 190,933.20 : x
  2. Step 2: Convert to fraction form
    352,078.65/485,867.57 = 190,933.20/x
  3. Step 3: Cross multiply
    352,078.65x = 485,867.57 × 190,933.20
  4. Step 4: Simplify right side
    352,078.65x = 92,768,248,961.66
  5. Step 5: Solve for x
    x = 92,768,248,961.66/352,078.65
  6. Step 6: Final answer
    x = 263,487.29

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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.