Home / 351,656.16-485,275.38-206,459.52

Finding the Fourth Proportional to 351,656.16, 485,275.38 and 206,459.52

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Solution

The fourth proportional to 351,656.16, 485,275.38 and 206,459.52 is: 284,908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,656.16 : 485,275.38 = 206,459.52 : x
  2. Step 2: Convert to fraction form
    351,656.16/485,275.38 = 206,459.52/x
  3. Step 3: Cross multiply
    351,656.16x = 485,275.38 × 206,459.52
  4. Step 4: Simplify right side
    351,656.16x = 100,189,722,022.62
  5. Step 5: Solve for x
    x = 100,189,722,022.62/351,656.16
  6. Step 6: Final answer
    x = 284,908.20

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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.