Home / 321,790.02-444,071.87-178,550.02

Finding the Fourth Proportional to 321,790.02, 444,071.87 and 178,550.02

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Solution

The fourth proportional to 321,790.02, 444,071.87 and 178,550.02 is: 246,399.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,790.02 : 444,071.87 = 178,550.02 : x
  2. Step 2: Convert to fraction form
    321,790.02/444,071.87 = 178,550.02/x
  3. Step 3: Cross multiply
    321,790.02x = 444,071.87 × 178,550.02
  4. Step 4: Simplify right side
    321,790.02x = 79,289,041,601.84
  5. Step 5: Solve for x
    x = 79,289,041,601.84/321,790.02
  6. Step 6: Final answer
    x = 246,399.94

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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.