Home / 231,628.20-347,636.70-113,400.60

Finding the Fourth Proportional to 231,628.20, 347,636.70 and 113,400.60

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Solution

The fourth proportional to 231,628.20, 347,636.70 and 113,400.60 is: 170,196.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,628.20 : 347,636.70 = 113,400.60 : x
  2. Step 2: Convert to fraction form
    231,628.20/347,636.70 = 113,400.60/x
  3. Step 3: Cross multiply
    231,628.20x = 347,636.70 × 113,400.60
  4. Step 4: Simplify right side
    231,628.20x = 39,422,210,362.02
  5. Step 5: Solve for x
    x = 39,422,210,362.02/231,628.20
  6. Step 6: Final answer
    x = 170,196.07

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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.