Home / 645,152.20-967,497.90-224,441.80

Finding the Fourth Proportional to 645,152.20, 967,497.90 and 224,441.80

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Solution

The fourth proportional to 645,152.20, 967,497.90 and 224,441.80 is: 336,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,152.20 : 967,497.90 = 224,441.80 : x
  2. Step 2: Convert to fraction form
    645,152.20/967,497.90 = 224,441.80/x
  3. Step 3: Cross multiply
    645,152.20x = 967,497.90 × 224,441.80
  4. Step 4: Simplify right side
    645,152.20x = 217,146,970,172.22
  5. Step 5: Solve for x
    x = 217,146,970,172.22/645,152.20
  6. Step 6: Final answer
    x = 336,582.55

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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.