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Finding the Fourth Proportional to 228,355.68, 342,566.34 and 70,596.44

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Solution

The fourth proportional to 228,355.68, 342,566.34 and 70,596.44 is: 105,904.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,355.68 : 342,566.34 = 70,596.44 : x
  2. Step 2: Convert to fraction form
    228,355.68/342,566.34 = 70,596.44/x
  3. Step 3: Cross multiply
    228,355.68x = 342,566.34 × 70,596.44
  4. Step 4: Simplify right side
    228,355.68x = 24,183,964,067.83
  5. Step 5: Solve for x
    x = 24,183,964,067.83/228,355.68
  6. Step 6: Final answer
    x = 105,904.81

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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.