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Finding the Fourth Proportional to 490,444.04, 735,667.70 and 135,450.20

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Solution

The fourth proportional to 490,444.04, 735,667.70 and 135,450.20 is: 203,175.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,444.04 : 735,667.70 = 135,450.20 : x
  2. Step 2: Convert to fraction form
    490,444.04/735,667.70 = 135,450.20/x
  3. Step 3: Cross multiply
    490,444.04x = 735,667.70 × 135,450.20
  4. Step 4: Simplify right side
    490,444.04x = 99,646,337,098.54
  5. Step 5: Solve for x
    x = 99,646,337,098.54/490,444.04
  6. Step 6: Final answer
    x = 203,175.75

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Similar ratio
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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.