Home / 238,020.45-357,031.86-80,250.27

Finding the Fourth Proportional to 238,020.45, 357,031.86 and 80,250.27

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Solution

The fourth proportional to 238,020.45, 357,031.86 and 80,250.27 is: 120,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,020.45 : 357,031.86 = 80,250.27 : x
  2. Step 2: Convert to fraction form
    238,020.45/357,031.86 = 80,250.27/x
  3. Step 3: Cross multiply
    238,020.45x = 357,031.86 × 80,250.27
  4. Step 4: Simplify right side
    238,020.45x = 28,651,903,163.60
  5. Step 5: Solve for x
    x = 28,651,903,163.60/238,020.45
  6. Step 6: Final answer
    x = 120,375.80

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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.