Home / 329,621.40-495,015.30-254,923.20

Finding the Fourth Proportional to 329,621.40, 495,015.30 and 254,923.20

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Solution

The fourth proportional to 329,621.40, 495,015.30 and 254,923.20 is: 382,835.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,621.40 : 495,015.30 = 254,923.20 : x
  2. Step 2: Convert to fraction form
    329,621.40/495,015.30 = 254,923.20/x
  3. Step 3: Cross multiply
    329,621.40x = 495,015.30 × 254,923.20
  4. Step 4: Simplify right side
    329,621.40x = 126,190,884,324.96
  5. Step 5: Solve for x
    x = 126,190,884,324.96/329,621.40
  6. Step 6: Final answer
    x = 382,835.84

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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.