Home / 355,129.56-490,060.04-193,982.31

Finding the Fourth Proportional to 355,129.56, 490,060.04 and 193,982.31

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Solution

The fourth proportional to 355,129.56, 490,060.04 and 193,982.31 is: 267,685.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,129.56 : 490,060.04 = 193,982.31 : x
  2. Step 2: Convert to fraction form
    355,129.56/490,060.04 = 193,982.31/x
  3. Step 3: Cross multiply
    355,129.56x = 490,060.04 × 193,982.31
  4. Step 4: Simplify right side
    355,129.56x = 95,062,977,627.98
  5. Step 5: Solve for x
    x = 95,062,977,627.98/355,129.56
  6. Step 6: Final answer
    x = 267,685.34

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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.