Home / 331,428.20-497,142.30-94,778.60

Finding the Fourth Proportional to 331,428.20, 497,142.30 and 94,778.60

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Solution

The fourth proportional to 331,428.20, 497,142.30 and 94,778.60 is: 142,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,428.20 : 497,142.30 = 94,778.60 : x
  2. Step 2: Convert to fraction form
    331,428.20/497,142.30 = 94,778.60/x
  3. Step 3: Cross multiply
    331,428.20x = 497,142.30 × 94,778.60
  4. Step 4: Simplify right side
    331,428.20x = 47,118,451,194.78
  5. Step 5: Solve for x
    x = 47,118,451,194.78/331,428.20
  6. Step 6: Final answer
    x = 142,167.90

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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.