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Finding the Fourth Proportional to 628,600, 942,929.28 and 179,351.68

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Solution

The fourth proportional to 628,600, 942,929.28 and 179,351.68 is: 269,035.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,600 : 942,929.28 = 179,351.68 : x
  2. Step 2: Convert to fraction form
    628,600/942,929.28 = 179,351.68/x
  3. Step 3: Cross multiply
    628,600x = 942,929.28 × 179,351.68
  4. Step 4: Simplify right side
    628,600x = 169,115,950,489.19
  5. Step 5: Solve for x
    x = 169,115,950,489.19/628,600
  6. Step 6: Final answer
    x = 269,035.87

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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.