Home / 330,045.98-455,451.26-179,139.74

Finding the Fourth Proportional to 330,045.98, 455,451.26 and 179,139.74

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Solution

The fourth proportional to 330,045.98, 455,451.26 and 179,139.74 is: 247,206.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,045.98 : 455,451.26 = 179,139.74 : x
  2. Step 2: Convert to fraction form
    330,045.98/455,451.26 = 179,139.74/x
  3. Step 3: Cross multiply
    330,045.98x = 455,451.26 × 179,139.74
  4. Step 4: Simplify right side
    330,045.98x = 81,589,420,299.07
  5. Step 5: Solve for x
    x = 81,589,420,299.07/330,045.98
  6. Step 6: Final answer
    x = 247,206.22

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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.