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Finding the Fourth Proportional to 447,919.20, 618,127.20 and 246,715.20

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Solution

The fourth proportional to 447,919.20, 618,127.20 and 246,715.20 is: 340,466.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,919.20 : 618,127.20 = 246,715.20 : x
  2. Step 2: Convert to fraction form
    447,919.20/618,127.20 = 246,715.20/x
  3. Step 3: Cross multiply
    447,919.20x = 618,127.20 × 246,715.20
  4. Step 4: Simplify right side
    447,919.20x = 152,501,375,773.44
  5. Step 5: Solve for x
    x = 152,501,375,773.44/447,919.20
  6. Step 6: Final answer
    x = 340,466.26

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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.