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Finding the Fourth Proportional to 490,353.96, 735,573.24 and 135,368.04

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Solution

The fourth proportional to 490,353.96, 735,573.24 and 135,368.04 is: 203,063.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,353.96 : 735,573.24 = 135,368.04 : x
  2. Step 2: Convert to fraction form
    490,353.96/735,573.24 = 135,368.04/x
  3. Step 3: Cross multiply
    490,353.96x = 735,573.24 × 135,368.04
  4. Step 4: Simplify right side
    490,353.96x = 99,573,107,775.25
  5. Step 5: Solve for x
    x = 99,573,107,775.25/490,353.96
  6. Step 6: Final answer
    x = 203,063.74

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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.