Home / 330,361.02-495,464.53-161,712.34

Finding the Fourth Proportional to 330,361.02, 495,464.53 and 161,712.34

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Solution

The fourth proportional to 330,361.02, 495,464.53 and 161,712.34 is: 242,530.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,361.02 : 495,464.53 = 161,712.34 : x
  2. Step 2: Convert to fraction form
    330,361.02/495,464.53 = 161,712.34/x
  3. Step 3: Cross multiply
    330,361.02x = 495,464.53 × 161,712.34
  4. Step 4: Simplify right side
    330,361.02x = 80,122,728,533.30
  5. Step 5: Solve for x
    x = 80,122,728,533.30/330,361.02
  6. Step 6: Final answer
    x = 242,530.82

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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.