Home / 321,523.02-443,724.08-178,296.39

Finding the Fourth Proportional to 321,523.02, 443,724.08 and 178,296.39

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Solution

The fourth proportional to 321,523.02, 443,724.08 and 178,296.39 is: 246,061.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,523.02 : 443,724.08 = 178,296.39 : x
  2. Step 2: Convert to fraction form
    321,523.02/443,724.08 = 178,296.39/x
  3. Step 3: Cross multiply
    321,523.02x = 443,724.08 × 178,296.39
  4. Step 4: Simplify right side
    321,523.02x = 79,114,400,728.59
  5. Step 5: Solve for x
    x = 79,114,400,728.59/321,523.02
  6. Step 6: Final answer
    x = 246,061.39

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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.