Home / 372,243.07-513,786.68-211,192.39

Finding the Fourth Proportional to 372,243.07, 513,786.68 and 211,192.39

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Solution

The fourth proportional to 372,243.07, 513,786.68 and 211,192.39 is: 291,497.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,243.07 : 513,786.68 = 211,192.39 : x
  2. Step 2: Convert to fraction form
    372,243.07/513,786.68 = 211,192.39/x
  3. Step 3: Cross multiply
    372,243.07x = 513,786.68 × 211,192.39
  4. Step 4: Simplify right side
    372,243.07x = 108,507,835,843.40
  5. Step 5: Solve for x
    x = 108,507,835,843.40/372,243.07
  6. Step 6: Final answer
    x = 291,497.26

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1.5x scale

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.