Home / 299,826.63-449,975.96-139,820.24

Finding the Fourth Proportional to 299,826.63, 449,975.96 and 139,820.24

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Solution

The fourth proportional to 299,826.63, 449,975.96 and 139,820.24 is: 209,840.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,826.63 : 449,975.96 = 139,820.24 : x
  2. Step 2: Convert to fraction form
    299,826.63/449,975.96 = 139,820.24/x
  3. Step 3: Cross multiply
    299,826.63x = 449,975.96 × 139,820.24
  4. Step 4: Simplify right side
    299,826.63x = 62,915,747,671.60
  5. Step 5: Solve for x
    x = 62,915,747,671.60/299,826.63
  6. Step 6: Final answer
    x = 209,840.43

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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.