Home / 469,919.11-648,470.97-255,054.57

Finding the Fourth Proportional to 469,919.11, 648,470.97 and 255,054.57

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Solution

The fourth proportional to 469,919.11, 648,470.97 and 255,054.57 is: 351,965.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,919.11 : 648,470.97 = 255,054.57 : x
  2. Step 2: Convert to fraction form
    469,919.11/648,470.97 = 255,054.57/x
  3. Step 3: Cross multiply
    469,919.11x = 648,470.97 × 255,054.57
  4. Step 4: Simplify right side
    469,919.11x = 165,395,484,410.83
  5. Step 5: Solve for x
    x = 165,395,484,410.83/469,919.11
  6. Step 6: Final answer
    x = 351,965.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.