Home / 293,344.20-439,238.70-231,136.20

Finding the Fourth Proportional to 293,344.20, 439,238.70 and 231,136.20

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Solution

The fourth proportional to 293,344.20, 439,238.70 and 231,136.20 is: 346,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,344.20 : 439,238.70 = 231,136.20 : x
  2. Step 2: Convert to fraction form
    293,344.20/439,238.70 = 231,136.20/x
  3. Step 3: Cross multiply
    293,344.20x = 439,238.70 × 231,136.20
  4. Step 4: Simplify right side
    293,344.20x = 101,523,964,010.94
  5. Step 5: Solve for x
    x = 101,523,964,010.94/293,344.20
  6. Step 6: Final answer
    x = 346,091.60

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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.