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Finding the Fourth Proportional to 634,260.72, 951,245.51 and 378,165.77

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Solution

The fourth proportional to 634,260.72, 951,245.51 and 378,165.77 is: 567,161.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,260.72 : 951,245.51 = 378,165.77 : x
  2. Step 2: Convert to fraction form
    634,260.72/951,245.51 = 378,165.77/x
  3. Step 3: Cross multiply
    634,260.72x = 951,245.51 × 378,165.77
  4. Step 4: Simplify right side
    634,260.72x = 359,728,484,101.14
  5. Step 5: Solve for x
    x = 359,728,484,101.14/634,260.72
  6. Step 6: Final answer
    x = 567,161.85

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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.