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Finding the Fourth Proportional to 269,544.30, 404,316.45 and 256,422.30

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Solution

The fourth proportional to 269,544.30, 404,316.45 and 256,422.30 is: 384,633.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,544.30 : 404,316.45 = 256,422.30 : x
  2. Step 2: Convert to fraction form
    269,544.30/404,316.45 = 256,422.30/x
  3. Step 3: Cross multiply
    269,544.30x = 404,316.45 × 256,422.30
  4. Step 4: Simplify right side
    269,544.30x = 103,675,754,036.84
  5. Step 5: Solve for x
    x = 103,675,754,036.84/269,544.30
  6. Step 6: Final answer
    x = 384,633.45

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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.