Home / 299,942.60-449,823.02-157,711.23

Finding the Fourth Proportional to 299,942.60, 449,823.02 and 157,711.23

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Solution

The fourth proportional to 299,942.60, 449,823.02 and 157,711.23 is: 236,519.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,942.60 : 449,823.02 = 157,711.23 : x
  2. Step 2: Convert to fraction form
    299,942.60/449,823.02 = 157,711.23/x
  3. Step 3: Cross multiply
    299,942.60x = 449,823.02 × 157,711.23
  4. Step 4: Simplify right side
    299,942.60x = 70,942,140,977.96
  5. Step 5: Solve for x
    x = 70,942,140,977.96/299,942.60
  6. Step 6: Final answer
    x = 236,519.06

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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.