Home / 355,102.86-490,039.03-193,958.02

Finding the Fourth Proportional to 355,102.86, 490,039.03 and 193,958.02

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Solution

The fourth proportional to 355,102.86, 490,039.03 and 193,958.02 is: 267,660.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,102.86 : 490,039.03 = 193,958.02 : x
  2. Step 2: Convert to fraction form
    355,102.86/490,039.03 = 193,958.02/x
  3. Step 3: Cross multiply
    355,102.86x = 490,039.03 × 193,958.02
  4. Step 4: Simplify right side
    355,102.86x = 95,046,998,271.53
  5. Step 5: Solve for x
    x = 95,046,998,271.53/355,102.86
  6. Step 6: Final answer
    x = 267,660.47

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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.