Home / 269,579.10-404,109.45-209,574.30

Finding the Fourth Proportional to 269,579.10, 404,109.45 and 209,574.30

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Solution

The fourth proportional to 269,579.10, 404,109.45 and 209,574.30 is: 314,159.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,579.10 : 404,109.45 = 209,574.30 : x
  2. Step 2: Convert to fraction form
    269,579.10/404,109.45 = 209,574.30/x
  3. Step 3: Cross multiply
    269,579.10x = 404,109.45 × 209,574.30
  4. Step 4: Simplify right side
    269,579.10x = 84,690,955,107.14
  5. Step 5: Solve for x
    x = 84,690,955,107.14/269,579.10
  6. Step 6: Final answer
    x = 314,159.94

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1.5x scale

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.