Home / 275,196.02-379,418.85-178,228.55

Finding the Fourth Proportional to 275,196.02, 379,418.85 and 178,228.55

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Solution

The fourth proportional to 275,196.02, 379,418.85 and 178,228.55 is: 245,727.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,196.02 : 379,418.85 = 178,228.55 : x
  2. Step 2: Convert to fraction form
    275,196.02/379,418.85 = 178,228.55/x
  3. Step 3: Cross multiply
    275,196.02x = 379,418.85 × 178,228.55
  4. Step 4: Simplify right side
    275,196.02x = 67,623,272,426.71
  5. Step 5: Solve for x
    x = 67,623,272,426.71/275,196.02
  6. Step 6: Final answer
    x = 245,727.66

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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.