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Finding the Fourth Proportional to 250,673.68, 376,163.61 and 108,556.93

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Solution

The fourth proportional to 250,673.68, 376,163.61 and 108,556.93 is: 162,901.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,673.68 : 376,163.61 = 108,556.93 : x
  2. Step 2: Convert to fraction form
    250,673.68/376,163.61 = 108,556.93/x
  3. Step 3: Cross multiply
    250,673.68x = 376,163.61 × 108,556.93
  4. Step 4: Simplify right side
    250,673.68x = 40,835,166,679.32
  5. Step 5: Solve for x
    x = 40,835,166,679.32/250,673.68
  6. Step 6: Final answer
    x = 162,901.69

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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.