Home / 269,743.10-404,614.65-82,730.30

Finding the Fourth Proportional to 269,743.10, 404,614.65 and 82,730.30

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Solution

The fourth proportional to 269,743.10, 404,614.65 and 82,730.30 is: 124,095.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,743.10 : 404,614.65 = 82,730.30 : x
  2. Step 2: Convert to fraction form
    269,743.10/404,614.65 = 82,730.30/x
  3. Step 3: Cross multiply
    269,743.10x = 404,614.65 × 82,730.30
  4. Step 4: Simplify right side
    269,743.10x = 33,473,891,378.90
  5. Step 5: Solve for x
    x = 33,473,891,378.90/269,743.10
  6. Step 6: Final answer
    x = 124,095.45

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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.