Home / 250,627.79-345,884.66-143,195.52

Finding the Fourth Proportional to 250,627.79, 345,884.66 and 143,195.52

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Solution

The fourth proportional to 250,627.79, 345,884.66 and 143,195.52 is: 197,620.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,627.79 : 345,884.66 = 143,195.52 : x
  2. Step 2: Convert to fraction form
    250,627.79/345,884.66 = 143,195.52/x
  3. Step 3: Cross multiply
    250,627.79x = 345,884.66 × 143,195.52
  4. Step 4: Simplify right side
    250,627.79x = 49,529,133,748.72
  5. Step 5: Solve for x
    x = 49,529,133,748.72/250,627.79
  6. Step 6: Final answer
    x = 197,620.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.