Home / 330,115.41-455,559.72-179,212.41

Finding the Fourth Proportional to 330,115.41, 455,559.72 and 179,212.41

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Solution

The fourth proportional to 330,115.41, 455,559.72 and 179,212.41 is: 247,313.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,115.41 : 455,559.72 = 179,212.41 : x
  2. Step 2: Convert to fraction form
    330,115.41/455,559.72 = 179,212.41/x
  3. Step 3: Cross multiply
    330,115.41x = 455,559.72 × 179,212.41
  4. Step 4: Simplify right side
    330,115.41x = 81,641,955,320.13
  5. Step 5: Solve for x
    x = 81,641,955,320.13/330,115.41
  6. Step 6: Final answer
    x = 247,313.37

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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.