Home / 355,173.47-490,131.36-194,029.23

Finding the Fourth Proportional to 355,173.47, 490,131.36 and 194,029.23

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Solution

The fourth proportional to 355,173.47, 490,131.36 and 194,029.23 is: 267,755.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,173.47 : 490,131.36 = 194,029.23 : x
  2. Step 2: Convert to fraction form
    355,173.47/490,131.36 = 194,029.23/x
  3. Step 3: Cross multiply
    355,173.47x = 490,131.36 × 194,029.23
  4. Step 4: Simplify right side
    355,173.47x = 95,099,810,379.65
  5. Step 5: Solve for x
    x = 95,099,810,379.65/355,173.47
  6. Step 6: Final answer
    x = 267,755.96

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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.