Home / 323,719.24-485,573.10-123,985.48

Finding the Fourth Proportional to 323,719.24, 485,573.10 and 123,985.48

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Solution

The fourth proportional to 323,719.24, 485,573.10 and 123,985.48 is: 185,976.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,719.24 : 485,573.10 = 123,985.48 : x
  2. Step 2: Convert to fraction form
    323,719.24/485,573.10 = 123,985.48/x
  3. Step 3: Cross multiply
    323,719.24x = 485,573.10 × 123,985.48
  4. Step 4: Simplify right side
    323,719.24x = 60,204,013,878.59
  5. Step 5: Solve for x
    x = 60,204,013,878.59/323,719.24
  6. Step 6: Final answer
    x = 185,976.01

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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.