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Finding the Fourth Proportional to 490,297.71, 735,025.29 and 170,408.02

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Solution

The fourth proportional to 490,297.71, 735,025.29 and 170,408.02 is: 255,465.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,297.71 : 735,025.29 = 170,408.02 : x
  2. Step 2: Convert to fraction form
    490,297.71/735,025.29 = 170,408.02/x
  3. Step 3: Cross multiply
    490,297.71x = 735,025.29 × 170,408.02
  4. Step 4: Simplify right side
    490,297.71x = 125,254,204,178.95
  5. Step 5: Solve for x
    x = 125,254,204,178.95/490,297.71
  6. Step 6: Final answer
    x = 255,465.61

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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.