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Finding the Fourth Proportional to 655,271.60, 982,952.04 and 222,812.96

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Solution

The fourth proportional to 655,271.60, 982,952.04 and 222,812.96 is: 334,234.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,271.60 : 982,952.04 = 222,812.96 : x
  2. Step 2: Convert to fraction form
    655,271.60/982,952.04 = 222,812.96/x
  3. Step 3: Cross multiply
    655,271.60x = 982,952.04 × 222,812.96
  4. Step 4: Simplify right side
    655,271.60x = 219,014,453,570.44
  5. Step 5: Solve for x
    x = 219,014,453,570.44/655,271.60
  6. Step 6: Final answer
    x = 334,234.62

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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.