Home / 299,884.32-449,913.78-141,895.44

Finding the Fourth Proportional to 299,884.32, 449,913.78 and 141,895.44

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Solution

The fourth proportional to 299,884.32, 449,913.78 and 141,895.44 is: 212,884.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,884.32 : 449,913.78 = 141,895.44 : x
  2. Step 2: Convert to fraction form
    299,884.32/449,913.78 = 141,895.44/x
  3. Step 3: Cross multiply
    299,884.32x = 449,913.78 × 141,895.44
  4. Step 4: Simplify right side
    299,884.32x = 63,840,713,775.16
  5. Step 5: Solve for x
    x = 63,840,713,775.16/299,884.32
  6. Step 6: Final answer
    x = 212,884.47

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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.