Home / 263,625.30-395,700.39-145,352.34

Finding the Fourth Proportional to 263,625.30, 395,700.39 and 145,352.34

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Solution

The fourth proportional to 263,625.30, 395,700.39 and 145,352.34 is: 218,173.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,625.30 : 395,700.39 = 145,352.34 : x
  2. Step 2: Convert to fraction form
    263,625.30/395,700.39 = 145,352.34/x
  3. Step 3: Cross multiply
    263,625.30x = 395,700.39 × 145,352.34
  4. Step 4: Simplify right side
    263,625.30x = 57,515,977,625.41
  5. Step 5: Solve for x
    x = 57,515,977,625.41/263,625.30
  6. Step 6: Final answer
    x = 218,173.21

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1.5x scale

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.