Home / 307,781.83-461,835.24-218,402.02

Finding the Fourth Proportional to 307,781.83, 461,835.24 and 218,402.02

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Solution

The fourth proportional to 307,781.83, 461,835.24 and 218,402.02 is: 327,718.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,781.83 : 461,835.24 = 218,402.02 : x
  2. Step 2: Convert to fraction form
    307,781.83/461,835.24 = 218,402.02/x
  3. Step 3: Cross multiply
    307,781.83x = 461,835.24 × 218,402.02
  4. Step 4: Simplify right side
    307,781.83x = 100,865,749,323.19
  5. Step 5: Solve for x
    x = 100,865,749,323.19/307,781.83
  6. Step 6: Final answer
    x = 327,718.34

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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.