Home / 355,127.63-490,073.22-193,982.72

Finding the Fourth Proportional to 355,127.63, 490,073.22 and 193,982.72

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Solution

The fourth proportional to 355,127.63, 490,073.22 and 193,982.72 is: 267,694.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,127.63 : 490,073.22 = 193,982.72 : x
  2. Step 2: Convert to fraction form
    355,127.63/490,073.22 = 193,982.72/x
  3. Step 3: Cross multiply
    355,127.63x = 490,073.22 × 193,982.72
  4. Step 4: Simplify right side
    355,127.63x = 95,065,733,764.39
  5. Step 5: Solve for x
    x = 95,065,733,764.39/355,127.63
  6. Step 6: Final answer
    x = 267,694.56

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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.