Home / 231,380.20-347,070.30-126,404.20

Finding the Fourth Proportional to 231,380.20, 347,070.30 and 126,404.20

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Solution

The fourth proportional to 231,380.20, 347,070.30 and 126,404.20 is: 189,606.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,380.20 : 347,070.30 = 126,404.20 : x
  2. Step 2: Convert to fraction form
    231,380.20/347,070.30 = 126,404.20/x
  3. Step 3: Cross multiply
    231,380.20x = 347,070.30 × 126,404.20
  4. Step 4: Simplify right side
    231,380.20x = 43,871,143,615.26
  5. Step 5: Solve for x
    x = 43,871,143,615.26/231,380.20
  6. Step 6: Final answer
    x = 189,606.30

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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.