Home / 315,571.66-435,530.04-179,579.14

Finding the Fourth Proportional to 315,571.66, 435,530.04 and 179,579.14

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Solution

The fourth proportional to 315,571.66, 435,530.04 and 179,579.14 is: 247,842.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,571.66 : 435,530.04 = 179,579.14 : x
  2. Step 2: Convert to fraction form
    315,571.66/435,530.04 = 179,579.14/x
  3. Step 3: Cross multiply
    315,571.66x = 435,530.04 × 179,579.14
  4. Step 4: Simplify right side
    315,571.66x = 78,212,110,027.37
  5. Step 5: Solve for x
    x = 78,212,110,027.37/315,571.66
  6. Step 6: Final answer
    x = 247,842.63

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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.