Home / 645,149.20-967,493.40-224,438.80

Finding the Fourth Proportional to 645,149.20, 967,493.40 and 224,438.80

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Solution

The fourth proportional to 645,149.20, 967,493.40 and 224,438.80 is: 336,578.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,149.20 : 967,493.40 = 224,438.80 : x
  2. Step 2: Convert to fraction form
    645,149.20/967,493.40 = 224,438.80/x
  3. Step 3: Cross multiply
    645,149.20x = 967,493.40 × 224,438.80
  4. Step 4: Simplify right side
    645,149.20x = 217,143,057,703.92
  5. Step 5: Solve for x
    x = 217,143,057,703.92/645,149.20
  6. Step 6: Final answer
    x = 336,578.05

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1.5x scale

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.