Home / 283,975.20-426,837.60-268,228.80

Finding the Fourth Proportional to 283,975.20, 426,837.60 and 268,228.80

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Solution

The fourth proportional to 283,975.20, 426,837.60 and 268,228.80 is: 403,169.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,975.20 : 426,837.60 = 268,228.80 : x
  2. Step 2: Convert to fraction form
    283,975.20/426,837.60 = 268,228.80/x
  3. Step 3: Cross multiply
    283,975.20x = 426,837.60 × 268,228.80
  4. Step 4: Simplify right side
    283,975.20x = 114,490,137,242.88
  5. Step 5: Solve for x
    x = 114,490,137,242.88/283,975.20
  6. Step 6: Final answer
    x = 403,169.49

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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.