Home / 318,226.22-439,137.14-174,992.30

Finding the Fourth Proportional to 318,226.22, 439,137.14 and 174,992.30

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Solution

The fourth proportional to 318,226.22, 439,137.14 and 174,992.30 is: 241,481.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,226.22 : 439,137.14 = 174,992.30 : x
  2. Step 2: Convert to fraction form
    318,226.22/439,137.14 = 174,992.30/x
  3. Step 3: Cross multiply
    318,226.22x = 439,137.14 × 174,992.30
  4. Step 4: Simplify right side
    318,226.22x = 76,845,618,144.02
  5. Step 5: Solve for x
    x = 76,845,618,144.02/318,226.22
  6. Step 6: Final answer
    x = 241,481.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.