Home / 315,198.63-434,972.07-179,232.57

Finding the Fourth Proportional to 315,198.63, 434,972.07 and 179,232.57

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Solution

The fourth proportional to 315,198.63, 434,972.07 and 179,232.57 is: 247,339.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,198.63 : 434,972.07 = 179,232.57 : x
  2. Step 2: Convert to fraction form
    315,198.63/434,972.07 = 179,232.57/x
  3. Step 3: Cross multiply
    315,198.63x = 434,972.07 × 179,232.57
  4. Step 4: Simplify right side
    315,198.63x = 77,961,161,984.32
  5. Step 5: Solve for x
    x = 77,961,161,984.32/315,198.63
  6. Step 6: Final answer
    x = 247,339.79

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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.