Home / 330,109.91-455,552.13-179,206.91

Finding the Fourth Proportional to 330,109.91, 455,552.13 and 179,206.91

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Solution

The fourth proportional to 330,109.91, 455,552.13 and 179,206.91 is: 247,305.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,109.91 : 455,552.13 = 179,206.91 : x
  2. Step 2: Convert to fraction form
    330,109.91/455,552.13 = 179,206.91/x
  3. Step 3: Cross multiply
    330,109.91x = 455,552.13 × 179,206.91
  4. Step 4: Simplify right side
    330,109.91x = 81,638,089,561.22
  5. Step 5: Solve for x
    x = 81,638,089,561.22/330,109.91
  6. Step 6: Final answer
    x = 247,305.78

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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.