Home / 355,518.03-490,614.89-194,373.09

Finding the Fourth Proportional to 355,518.03, 490,614.89 and 194,373.09

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Solution

The fourth proportional to 355,518.03, 490,614.89 and 194,373.09 is: 268,234.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,518.03 : 490,614.89 = 194,373.09 : x
  2. Step 2: Convert to fraction form
    355,518.03/490,614.89 = 194,373.09/x
  3. Step 3: Cross multiply
    355,518.03x = 490,614.89 × 194,373.09
  4. Step 4: Simplify right side
    355,518.03x = 95,362,331,197.44
  5. Step 5: Solve for x
    x = 95,362,331,197.44/355,518.03
  6. Step 6: Final answer
    x = 268,234.87

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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.