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Finding the Fourth Proportional to 251,915.72, 376,030.49 and 222,023.21

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Solution

The fourth proportional to 251,915.72, 376,030.49 and 222,023.21 is: 331,410.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,915.72 : 376,030.49 = 222,023.21 : x
  2. Step 2: Convert to fraction form
    251,915.72/376,030.49 = 222,023.21/x
  3. Step 3: Cross multiply
    251,915.72x = 376,030.49 × 222,023.21
  4. Step 4: Simplify right side
    251,915.72x = 83,487,493,457.40
  5. Step 5: Solve for x
    x = 83,487,493,457.40/251,915.72
  6. Step 6: Final answer
    x = 331,410.42

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.