Home / 355,137.09-490,081.02-193,992.86

Finding the Fourth Proportional to 355,137.09, 490,081.02 and 193,992.86

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Solution

The fourth proportional to 355,137.09, 490,081.02 and 193,992.86 is: 267,705.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,137.09 : 490,081.02 = 193,992.86 : x
  2. Step 2: Convert to fraction form
    355,137.09/490,081.02 = 193,992.86/x
  3. Step 3: Cross multiply
    355,137.09x = 490,081.02 × 193,992.86
  4. Step 4: Simplify right side
    355,137.09x = 95,072,216,251.11
  5. Step 5: Solve for x
    x = 95,072,216,251.11/355,137.09
  6. Step 6: Final answer
    x = 267,705.68

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1.5x scale

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.