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Finding the Fourth Proportional to 490,056.39, 735,162.44 and 170,306.01

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Solution

The fourth proportional to 490,056.39, 735,162.44 and 170,306.01 is: 255,486.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,056.39 : 735,162.44 = 170,306.01 : x
  2. Step 2: Convert to fraction form
    490,056.39/735,162.44 = 170,306.01/x
  3. Step 3: Cross multiply
    490,056.39x = 735,162.44 × 170,306.01
  4. Step 4: Simplify right side
    490,056.39x = 125,202,581,006.73
  5. Step 5: Solve for x
    x = 125,202,581,006.73/490,056.39
  6. Step 6: Final answer
    x = 255,486.07

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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.