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Finding the Fourth Proportional to 490,758.54, 735,612.92 and 224,119.50

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Solution

The fourth proportional to 490,758.54, 735,612.92 and 224,119.50 is: 335,939.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,758.54 : 735,612.92 = 224,119.50 : x
  2. Step 2: Convert to fraction form
    490,758.54/735,612.92 = 224,119.50/x
  3. Step 3: Cross multiply
    490,758.54x = 735,612.92 × 224,119.50
  4. Step 4: Simplify right side
    490,758.54x = 164,865,199,823.94
  5. Step 5: Solve for x
    x = 164,865,199,823.94/490,758.54
  6. Step 6: Final answer
    x = 335,939.54

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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.