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Finding the Fourth Proportional to 490,750.79, 735,601.30 and 224,111.75

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Solution

The fourth proportional to 490,750.79, 735,601.30 and 224,111.75 is: 335,927.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,750.79 : 735,601.30 = 224,111.75 : x
  2. Step 2: Convert to fraction form
    490,750.79/735,601.30 = 224,111.75/x
  3. Step 3: Cross multiply
    490,750.79x = 735,601.30 × 224,111.75
  4. Step 4: Simplify right side
    490,750.79x = 164,856,890,406.99
  5. Step 5: Solve for x
    x = 164,856,890,406.99/490,750.79
  6. Step 6: Final answer
    x = 335,927.92

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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.