Home / 500,749.86-751,247.91-145,766.97

Finding the Fourth Proportional to 500,749.86, 751,247.91 and 145,766.97

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Solution

The fourth proportional to 500,749.86, 751,247.91 and 145,766.97 is: 218,686.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,749.86 : 751,247.91 = 145,766.97 : x
  2. Step 2: Convert to fraction form
    500,749.86/751,247.91 = 145,766.97/x
  3. Step 3: Cross multiply
    500,749.86x = 751,247.91 × 145,766.97
  4. Step 4: Simplify right side
    500,749.86x = 109,507,131,559.53
  5. Step 5: Solve for x
    x = 109,507,131,559.53/500,749.86
  6. Step 6: Final answer
    x = 218,686.29

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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.