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Finding the Fourth Proportional to 556,230.30, 834,564.15 and 219,213.60

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Solution

The fourth proportional to 556,230.30, 834,564.15 and 219,213.60 is: 328,906.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,230.30 : 834,564.15 = 219,213.60 : x
  2. Step 2: Convert to fraction form
    556,230.30/834,564.15 = 219,213.60/x
  3. Step 3: Cross multiply
    556,230.30x = 834,564.15 × 219,213.60
  4. Step 4: Simplify right side
    556,230.30x = 182,947,811,752.44
  5. Step 5: Solve for x
    x = 182,947,811,752.44/556,230.30
  6. Step 6: Final answer
    x = 328,906.59

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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.