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Finding the Fourth Proportional to 628,282.68, 941,866.20 and 228,849

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Solution

The fourth proportional to 628,282.68, 941,866.20 and 228,849 is: 343,070.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,282.68 : 941,866.20 = 228,849 : x
  2. Step 2: Convert to fraction form
    628,282.68/941,866.20 = 228,849/x
  3. Step 3: Cross multiply
    628,282.68x = 941,866.20 × 228,849
  4. Step 4: Simplify right side
    628,282.68x = 215,545,138,003.80
  5. Step 5: Solve for x
    x = 215,545,138,003.80/628,282.68
  6. Step 6: Final answer
    x = 343,070.32

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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.