Home / 321,815.46-444,106.06-178,575.86

Finding the Fourth Proportional to 321,815.46, 444,106.06 and 178,575.86

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Solution

The fourth proportional to 321,815.46, 444,106.06 and 178,575.86 is: 246,435.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,815.46 : 444,106.06 = 178,575.86 : x
  2. Step 2: Convert to fraction form
    321,815.46/444,106.06 = 178,575.86/x
  3. Step 3: Cross multiply
    321,815.46x = 444,106.06 × 178,575.86
  4. Step 4: Simplify right side
    321,815.46x = 79,306,621,595.71
  5. Step 5: Solve for x
    x = 79,306,621,595.71/321,815.46
  6. Step 6: Final answer
    x = 246,435.09

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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.