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Finding the Fourth Proportional to 634,259.72, 951,244 and 378,164.76

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Solution

The fourth proportional to 634,259.72, 951,244 and 378,164.76 is: 567,160.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,259.72 : 951,244 = 378,164.76 : x
  2. Step 2: Convert to fraction form
    634,259.72/951,244 = 378,164.76/x
  3. Step 3: Cross multiply
    634,259.72x = 951,244 × 378,164.76
  4. Step 4: Simplify right side
    634,259.72x = 359,726,958,961.44
  5. Step 5: Solve for x
    x = 359,726,958,961.44/634,259.72
  6. Step 6: Final answer
    x = 567,160.34

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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.