Home / 321,671.04-443,904.40-178,429.60

Finding the Fourth Proportional to 321,671.04, 443,904.40 and 178,429.60

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Solution

The fourth proportional to 321,671.04, 443,904.40 and 178,429.60 is: 246,231.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,671.04 : 443,904.40 = 178,429.60 : x
  2. Step 2: Convert to fraction form
    321,671.04/443,904.40 = 178,429.60/x
  3. Step 3: Cross multiply
    321,671.04x = 443,904.40 × 178,429.60
  4. Step 4: Simplify right side
    321,671.04x = 79,205,684,530.24
  5. Step 5: Solve for x
    x = 79,205,684,530.24/321,671.04
  6. Step 6: Final answer
    x = 246,231.94

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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.