Home / 645,102.80-967,942.20-224,680.40

Finding the Fourth Proportional to 645,102.80, 967,942.20 and 224,680.40

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Solution

The fourth proportional to 645,102.80, 967,942.20 and 224,680.40 is: 337,120.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,102.80 : 967,942.20 = 224,680.40 : x
  2. Step 2: Convert to fraction form
    645,102.80/967,942.20 = 224,680.40/x
  3. Step 3: Cross multiply
    645,102.80x = 967,942.20 × 224,680.40
  4. Step 4: Simplify right side
    645,102.80x = 217,477,640,672.88
  5. Step 5: Solve for x
    x = 217,477,640,672.88/645,102.80
  6. Step 6: Final answer
    x = 337,120.91

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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.