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Finding the Fourth Proportional to 269,760.72, 404,721.28 and 119,980.32

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Solution

The fourth proportional to 269,760.72, 404,721.28 and 119,980.32 is: 180,006.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,760.72 : 404,721.28 = 119,980.32 : x
  2. Step 2: Convert to fraction form
    269,760.72/404,721.28 = 119,980.32/x
  3. Step 3: Cross multiply
    269,760.72x = 404,721.28 × 119,980.32
  4. Step 4: Simplify right side
    269,760.72x = 48,558,588,685.21
  5. Step 5: Solve for x
    x = 48,558,588,685.21/269,760.72
  6. Step 6: Final answer
    x = 180,006.15

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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.