Home / 378,343.51-567,517.31-112,106.33

Finding the Fourth Proportional to 378,343.51, 567,517.31 and 112,106.33

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Solution

The fourth proportional to 378,343.51, 567,517.31 and 112,106.33 is: 168,160.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,343.51 : 567,517.31 = 112,106.33 : x
  2. Step 2: Convert to fraction form
    378,343.51/567,517.31 = 112,106.33/x
  3. Step 3: Cross multiply
    378,343.51x = 567,517.31 × 112,106.33
  4. Step 4: Simplify right side
    378,343.51x = 63,622,281,986.04
  5. Step 5: Solve for x
    x = 63,622,281,986.04/378,343.51
  6. Step 6: Final answer
    x = 168,160.10

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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.