Home / 331,311.24-497,025.30-121,242.60

Finding the Fourth Proportional to 331,311.24, 497,025.30 and 121,242.60

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Solution

The fourth proportional to 331,311.24, 497,025.30 and 121,242.60 is: 181,885.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,311.24 : 497,025.30 = 121,242.60 : x
  2. Step 2: Convert to fraction form
    331,311.24/497,025.30 = 121,242.60/x
  3. Step 3: Cross multiply
    331,311.24x = 497,025.30 × 121,242.60
  4. Step 4: Simplify right side
    331,311.24x = 60,260,639,637.78
  5. Step 5: Solve for x
    x = 60,260,639,637.78/331,311.24
  6. Step 6: Final answer
    x = 181,885.29

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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.