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Finding the Fourth Proportional to 647,607.18, 970,822.66 and 226,653.42

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Solution

The fourth proportional to 647,607.18, 970,822.66 and 226,653.42 is: 339,774.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,607.18 : 970,822.66 = 226,653.42 : x
  2. Step 2: Convert to fraction form
    647,607.18/970,822.66 = 226,653.42/x
  3. Step 3: Cross multiply
    647,607.18x = 970,822.66 × 226,653.42
  4. Step 4: Simplify right side
    647,607.18x = 220,040,276,102.50
  5. Step 5: Solve for x
    x = 220,040,276,102.50/647,607.18
  6. Step 6: Final answer
    x = 339,774.30

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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.