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Finding the Fourth Proportional to 447,894.44, 618,094.34 and 246,690.44

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Solution

The fourth proportional to 447,894.44, 618,094.34 and 246,690.44 is: 340,432.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,894.44 : 618,094.34 = 246,690.44 : x
  2. Step 2: Convert to fraction form
    447,894.44/618,094.34 = 246,690.44/x
  3. Step 3: Cross multiply
    447,894.44x = 618,094.34 × 246,690.44
  4. Step 4: Simplify right side
    447,894.44x = 152,477,964,696.11
  5. Step 5: Solve for x
    x = 152,477,964,696.11/447,894.44
  6. Step 6: Final answer
    x = 340,432.81

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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.