Home / 231,426.94-347,140.41-98,213.78

Finding the Fourth Proportional to 231,426.94, 347,140.41 and 98,213.78

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Solution

The fourth proportional to 231,426.94, 347,140.41 and 98,213.78 is: 147,320.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,426.94 : 347,140.41 = 98,213.78 : x
  2. Step 2: Convert to fraction form
    231,426.94/347,140.41 = 98,213.78/x
  3. Step 3: Cross multiply
    231,426.94x = 347,140.41 × 98,213.78
  4. Step 4: Simplify right side
    231,426.94x = 34,093,970,121.15
  5. Step 5: Solve for x
    x = 34,093,970,121.15/231,426.94
  6. Step 6: Final answer
    x = 147,320.67

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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.