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Finding the Fourth Proportional to 490,255.67, 735,040.47 and 250,443.83

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Solution

The fourth proportional to 490,255.67, 735,040.47 and 250,443.83 is: 375,490.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,255.67 : 735,040.47 = 250,443.83 : x
  2. Step 2: Convert to fraction form
    490,255.67/735,040.47 = 250,443.83/x
  3. Step 3: Cross multiply
    490,255.67x = 735,040.47 × 250,443.83
  4. Step 4: Simplify right side
    490,255.67x = 184,086,350,511.80
  5. Step 5: Solve for x
    x = 184,086,350,511.80/490,255.67
  6. Step 6: Final answer
    x = 375,490.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.