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Finding the Fourth Proportional to 260,244, 390,366 and 63,252

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Solution

The fourth proportional to 260,244, 390,366 and 63,252 is: 94,878

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,244 : 390,366 = 63,252 : x
  2. Step 2: Convert to fraction form
    260,244/390,366 = 63,252/x
  3. Step 3: Cross multiply
    260,244x = 390,366 × 63,252
  4. Step 4: Simplify right side
    260,244x = 24,691,430,232
  5. Step 5: Solve for x
    x = 24,691,430,232/260,244
  6. Step 6: Final answer
    x = 94,878

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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.