Home / 318,112.20-438,983.73-174,871.22

Finding the Fourth Proportional to 318,112.20, 438,983.73 and 174,871.22

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Solution

The fourth proportional to 318,112.20, 438,983.73 and 174,871.22 is: 241,316.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,112.20 : 438,983.73 = 174,871.22 : x
  2. Step 2: Convert to fraction form
    318,112.20/438,983.73 = 174,871.22/x
  3. Step 3: Cross multiply
    318,112.20x = 438,983.73 × 174,871.22
  4. Step 4: Simplify right side
    318,112.20x = 76,765,618,230.33
  5. Step 5: Solve for x
    x = 76,765,618,230.33/318,112.20
  6. Step 6: Final answer
    x = 241,316.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.