Home / 298,723.61-447,814.37-149,009.83

Finding the Fourth Proportional to 298,723.61, 447,814.37 and 149,009.83

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Solution

The fourth proportional to 298,723.61, 447,814.37 and 149,009.83 is: 223,379.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,723.61 : 447,814.37 = 149,009.83 : x
  2. Step 2: Convert to fraction form
    298,723.61/447,814.37 = 149,009.83/x
  3. Step 3: Cross multiply
    298,723.61x = 447,814.37 × 149,009.83
  4. Step 4: Simplify right side
    298,723.61x = 66,728,742,398.25
  5. Step 5: Solve for x
    x = 66,728,742,398.25/298,723.61
  6. Step 6: Final answer
    x = 223,379.54

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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.