Home / 321,780.24-444,051.05-178,537.82

Finding the Fourth Proportional to 321,780.24, 444,051.05 and 178,537.82

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Solution

The fourth proportional to 321,780.24, 444,051.05 and 178,537.82 is: 246,379.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,780.24 : 444,051.05 = 178,537.82 : x
  2. Step 2: Convert to fraction form
    321,780.24/444,051.05 = 178,537.82/x
  3. Step 3: Cross multiply
    321,780.24x = 444,051.05 × 178,537.82
  4. Step 4: Simplify right side
    321,780.24x = 79,279,903,322.77
  5. Step 5: Solve for x
    x = 79,279,903,322.77/321,780.24
  6. Step 6: Final answer
    x = 246,379.03

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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.