Home / 351,982.77-485,707.19-199,036.59

Finding the Fourth Proportional to 351,982.77, 485,707.19 and 199,036.59

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Solution

The fourth proportional to 351,982.77, 485,707.19 and 199,036.59 is: 274,654.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,982.77 : 485,707.19 = 199,036.59 : x
  2. Step 2: Convert to fraction form
    351,982.77/485,707.19 = 199,036.59/x
  3. Step 3: Cross multiply
    351,982.77x = 485,707.19 × 199,036.59
  4. Step 4: Simplify right side
    351,982.77x = 96,673,502,751.60
  5. Step 5: Solve for x
    x = 96,673,502,751.60/351,982.77
  6. Step 6: Final answer
    x = 274,654.08

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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.