Home / 355,370.22-490,396.68-194,227.20

Finding the Fourth Proportional to 355,370.22, 490,396.68 and 194,227.20

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Solution

The fourth proportional to 355,370.22, 490,396.68 and 194,227.20 is: 268,025.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,370.22 : 490,396.68 = 194,227.20 : x
  2. Step 2: Convert to fraction form
    355,370.22/490,396.68 = 194,227.20/x
  3. Step 3: Cross multiply
    355,370.22x = 490,396.68 × 194,227.20
  4. Step 4: Simplify right side
    355,370.22x = 95,248,374,045.70
  5. Step 5: Solve for x
    x = 95,248,374,045.70/355,370.22
  6. Step 6: Final answer
    x = 268,025.76

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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.