Home / 270,185.14-405,347.73-143,721.24

Finding the Fourth Proportional to 270,185.14, 405,347.73 and 143,721.24

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Solution

The fourth proportional to 270,185.14, 405,347.73 and 143,721.24 is: 215,619.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,185.14 : 405,347.73 = 143,721.24 : x
  2. Step 2: Convert to fraction form
    270,185.14/405,347.73 = 143,721.24/x
  3. Step 3: Cross multiply
    270,185.14x = 405,347.73 × 143,721.24
  4. Step 4: Simplify right side
    270,185.14x = 58,257,078,386.79
  5. Step 5: Solve for x
    x = 58,257,078,386.79/270,185.14
  6. Step 6: Final answer
    x = 215,619.11

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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.