Home / 318,245.73-439,172.60-175,003.31

Finding the Fourth Proportional to 318,245.73, 439,172.60 and 175,003.31

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Solution

The fourth proportional to 318,245.73, 439,172.60 and 175,003.31 is: 241,500.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,245.73 : 439,172.60 = 175,003.31 : x
  2. Step 2: Convert to fraction form
    318,245.73/439,172.60 = 175,003.31/x
  3. Step 3: Cross multiply
    318,245.73x = 439,172.60 × 175,003.31
  4. Step 4: Simplify right side
    318,245.73x = 76,856,655,590.43
  5. Step 5: Solve for x
    x = 76,856,655,590.43/318,245.73
  6. Step 6: Final answer
    x = 241,500.98

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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.