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Finding the Fourth Proportional to 490,171.42, 735,257.04 and 157,747.42

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Solution

The fourth proportional to 490,171.42, 735,257.04 and 157,747.42 is: 236,621.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,171.42 : 735,257.04 = 157,747.42 : x
  2. Step 2: Convert to fraction form
    490,171.42/735,257.04 = 157,747.42/x
  3. Step 3: Cross multiply
    490,171.42x = 735,257.04 × 157,747.42
  4. Step 4: Simplify right side
    490,171.42x = 115,984,901,096.84
  5. Step 5: Solve for x
    x = 115,984,901,096.84/490,171.42
  6. Step 6: Final answer
    x = 236,621.10

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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.