Home / 299,938.85-449,817.39-157,707.48

Finding the Fourth Proportional to 299,938.85, 449,817.39 and 157,707.48

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Solution

The fourth proportional to 299,938.85, 449,817.39 and 157,707.48 is: 236,513.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,938.85 : 449,817.39 = 157,707.48 : x
  2. Step 2: Convert to fraction form
    299,938.85/449,817.39 = 157,707.48/x
  3. Step 3: Cross multiply
    299,938.85x = 449,817.39 × 157,707.48
  4. Step 4: Simplify right side
    299,938.85x = 70,939,567,037.08
  5. Step 5: Solve for x
    x = 70,939,567,037.08/299,938.85
  6. Step 6: Final answer
    x = 236,513.44

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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.