Home / 269,315.20-403,389.60-174,836.80

Finding the Fourth Proportional to 269,315.20, 403,389.60 and 174,836.80

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Solution

The fourth proportional to 269,315.20, 403,389.60 and 174,836.80 is: 261,876.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,315.20 : 403,389.60 = 174,836.80 : x
  2. Step 2: Convert to fraction form
    269,315.20/403,389.60 = 174,836.80/x
  3. Step 3: Cross multiply
    269,315.20x = 403,389.60 × 174,836.80
  4. Step 4: Simplify right side
    269,315.20x = 70,527,346,817.28
  5. Step 5: Solve for x
    x = 70,527,346,817.28/269,315.20
  6. Step 6: Final answer
    x = 261,876.59

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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.