Home / 366,619.38-505,954.89-205,526.22

Finding the Fourth Proportional to 366,619.38, 505,954.89 and 205,526.22

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Solution

The fourth proportional to 366,619.38, 505,954.89 and 205,526.22 is: 283,637.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,619.38 : 505,954.89 = 205,526.22 : x
  2. Step 2: Convert to fraction form
    366,619.38/505,954.89 = 205,526.22/x
  3. Step 3: Cross multiply
    366,619.38x = 505,954.89 × 205,526.22
  4. Step 4: Simplify right side
    366,619.38x = 103,986,996,032.22
  5. Step 5: Solve for x
    x = 103,986,996,032.22/366,619.38
  6. Step 6: Final answer
    x = 283,637.48

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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.