Home / 206,972.24-310,460.28-82,345.04

Finding the Fourth Proportional to 206,972.24, 310,460.28 and 82,345.04

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Solution

The fourth proportional to 206,972.24, 310,460.28 and 82,345.04 is: 123,518.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,972.24 : 310,460.28 = 82,345.04 : x
  2. Step 2: Convert to fraction form
    206,972.24/310,460.28 = 82,345.04/x
  3. Step 3: Cross multiply
    206,972.24x = 310,460.28 × 82,345.04
  4. Step 4: Simplify right side
    206,972.24x = 25,564,864,175.01
  5. Step 5: Solve for x
    x = 25,564,864,175.01/206,972.24
  6. Step 6: Final answer
    x = 123,518.32

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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.