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Finding the Fourth Proportional to 269,733.12, 404,619 and 103,521.12

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Solution

The fourth proportional to 269,733.12, 404,619 and 103,521.12 is: 155,289.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,733.12 : 404,619 = 103,521.12 : x
  2. Step 2: Convert to fraction form
    269,733.12/404,619 = 103,521.12/x
  3. Step 3: Cross multiply
    269,733.12x = 404,619 × 103,521.12
  4. Step 4: Simplify right side
    269,733.12x = 41,886,612,053.28
  5. Step 5: Solve for x
    x = 41,886,612,053.28/269,733.12
  6. Step 6: Final answer
    x = 155,289.09

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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.