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Finding the Fourth Proportional to 441,319.32, 608,989.86 and 250,363.44

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Solution

The fourth proportional to 441,319.32, 608,989.86 and 250,363.44 is: 345,484.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,319.32 : 608,989.86 = 250,363.44 : x
  2. Step 2: Convert to fraction form
    441,319.32/608,989.86 = 250,363.44/x
  3. Step 3: Cross multiply
    441,319.32x = 608,989.86 × 250,363.44
  4. Step 4: Simplify right side
    441,319.32x = 152,468,796,274.72
  5. Step 5: Solve for x
    x = 152,468,796,274.72/441,319.32
  6. Step 6: Final answer
    x = 345,484.07

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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.