Home / 645,153.20-967,499.40-224,442.80

Finding the Fourth Proportional to 645,153.20, 967,499.40 and 224,442.80

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Solution

The fourth proportional to 645,153.20, 967,499.40 and 224,442.80 is: 336,584.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,153.20 : 967,499.40 = 224,442.80 : x
  2. Step 2: Convert to fraction form
    645,153.20/967,499.40 = 224,442.80/x
  3. Step 3: Cross multiply
    645,153.20x = 967,499.40 × 224,442.80
  4. Step 4: Simplify right side
    645,153.20x = 217,148,274,334.32
  5. Step 5: Solve for x
    x = 217,148,274,334.32/645,153.20
  6. Step 6: Final answer
    x = 336,584.05

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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.