Home / 355,161.20-490,132.98-194,018.92

Finding the Fourth Proportional to 355,161.20, 490,132.98 and 194,018.92

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Solution

The fourth proportional to 355,161.20, 490,132.98 and 194,018.92 is: 267,751.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,161.20 : 490,132.98 = 194,018.92 : x
  2. Step 2: Convert to fraction form
    355,161.20/490,132.98 = 194,018.92/x
  3. Step 3: Cross multiply
    355,161.20x = 490,132.98 × 194,018.92
  4. Step 4: Simplify right side
    355,161.20x = 95,095,071,435.98
  5. Step 5: Solve for x
    x = 95,095,071,435.98/355,161.20
  6. Step 6: Final answer
    x = 267,751.86

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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.