Home / 269,444.10-403,906.95-209,439.30

Finding the Fourth Proportional to 269,444.10, 403,906.95 and 209,439.30

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Solution

The fourth proportional to 269,444.10, 403,906.95 and 209,439.30 is: 313,957.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,444.10 : 403,906.95 = 209,439.30 : x
  2. Step 2: Convert to fraction form
    269,444.10/403,906.95 = 209,439.30/x
  3. Step 3: Cross multiply
    269,444.10x = 403,906.95 × 209,439.30
  4. Step 4: Simplify right side
    269,444.10x = 84,593,988,873.14
  5. Step 5: Solve for x
    x = 84,593,988,873.14/269,444.10
  6. Step 6: Final answer
    x = 313,957.47

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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.