Home / 397,293.02-595,957.88-131,076.80

Finding the Fourth Proportional to 397,293.02, 595,957.88 and 131,076.80

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Solution

The fourth proportional to 397,293.02, 595,957.88 and 131,076.80 is: 196,621.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,293.02 : 595,957.88 = 131,076.80 : x
  2. Step 2: Convert to fraction form
    397,293.02/595,957.88 = 131,076.80/x
  3. Step 3: Cross multiply
    397,293.02x = 595,957.88 × 131,076.80
  4. Step 4: Simplify right side
    397,293.02x = 78,116,251,845.18
  5. Step 5: Solve for x
    x = 78,116,251,845.18/397,293.02
  6. Step 6: Final answer
    x = 196,621.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.