Home / 380,131.62-524,578.59-210,375.06

Finding the Fourth Proportional to 380,131.62, 524,578.59 and 210,375.06

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Solution

The fourth proportional to 380,131.62, 524,578.59 and 210,375.06 is: 290,315.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,131.62 : 524,578.59 = 210,375.06 : x
  2. Step 2: Convert to fraction form
    380,131.62/524,578.59 = 210,375.06/x
  3. Step 3: Cross multiply
    380,131.62x = 524,578.59 × 210,375.06
  4. Step 4: Simplify right side
    380,131.62x = 110,358,252,345.97
  5. Step 5: Solve for x
    x = 110,358,252,345.97/380,131.62
  6. Step 6: Final answer
    x = 290,315.90

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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.