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Finding the Fourth Proportional to 447,975.54, 618,206.31 and 246,771.54

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Solution

The fourth proportional to 447,975.54, 618,206.31 and 246,771.54 is: 340,544.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,975.54 : 618,206.31 = 246,771.54 : x
  2. Step 2: Convert to fraction form
    447,975.54/618,206.31 = 246,771.54/x
  3. Step 3: Cross multiply
    447,975.54x = 618,206.31 × 246,771.54
  4. Step 4: Simplify right side
    447,975.54x = 152,555,723,156.42
  5. Step 5: Solve for x
    x = 152,555,723,156.42/447,975.54
  6. Step 6: Final answer
    x = 340,544.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.