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Finding the Fourth Proportional to 307,903.48, 461,862.20 and 244,767.22

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Solution

The fourth proportional to 307,903.48, 461,862.20 and 244,767.22 is: 367,156.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,903.48 : 461,862.20 = 244,767.22 : x
  2. Step 2: Convert to fraction form
    307,903.48/461,862.20 = 244,767.22/x
  3. Step 3: Cross multiply
    307,903.48x = 461,862.20 × 244,767.22
  4. Step 4: Simplify right side
    307,903.48x = 113,048,726,174.35
  5. Step 5: Solve for x
    x = 113,048,726,174.35/307,903.48
  6. Step 6: Final answer
    x = 367,156.38

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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.