Home / 328,571.37-453,470.06-190,720.82

Finding the Fourth Proportional to 328,571.37, 453,470.06 and 190,720.82

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Solution

The fourth proportional to 328,571.37, 453,470.06 and 190,720.82 is: 263,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,571.37 : 453,470.06 = 190,720.82 : x
  2. Step 2: Convert to fraction form
    328,571.37/453,470.06 = 190,720.82/x
  3. Step 3: Cross multiply
    328,571.37x = 453,470.06 × 190,720.82
  4. Step 4: Simplify right side
    328,571.37x = 86,486,178,467.69
  5. Step 5: Solve for x
    x = 86,486,178,467.69/328,571.37
  6. Step 6: Final answer
    x = 263,218.85

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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.