Home / 331,441.24-497,220.30-121,372.60

Finding the Fourth Proportional to 331,441.24, 497,220.30 and 121,372.60

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Solution

The fourth proportional to 331,441.24, 497,220.30 and 121,372.60 is: 182,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,441.24 : 497,220.30 = 121,372.60 : x
  2. Step 2: Convert to fraction form
    331,441.24/497,220.30 = 121,372.60/x
  3. Step 3: Cross multiply
    331,441.24x = 497,220.30 × 121,372.60
  4. Step 4: Simplify right side
    331,441.24x = 60,348,920,583.78
  5. Step 5: Solve for x
    x = 60,348,920,583.78/331,441.24
  6. Step 6: Final answer
    x = 182,080.30

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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.