Home / 347,828.85-480,002.76-192,790.05

Finding the Fourth Proportional to 347,828.85, 480,002.76 and 192,790.05

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Solution

The fourth proportional to 347,828.85, 480,002.76 and 192,790.05 is: 266,049.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,828.85 : 480,002.76 = 192,790.05 : x
  2. Step 2: Convert to fraction form
    347,828.85/480,002.76 = 192,790.05/x
  3. Step 3: Cross multiply
    347,828.85x = 480,002.76 × 192,790.05
  4. Step 4: Simplify right side
    347,828.85x = 92,539,756,100.54
  5. Step 5: Solve for x
    x = 92,539,756,100.54/347,828.85
  6. Step 6: Final answer
    x = 266,049.69

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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.