Home / 339,882.36-469,136.25-210,860.16

Finding the Fourth Proportional to 339,882.36, 469,136.25 and 210,860.16

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Solution

The fourth proportional to 339,882.36, 469,136.25 and 210,860.16 is: 291,048.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,882.36 : 469,136.25 = 210,860.16 : x
  2. Step 2: Convert to fraction form
    339,882.36/469,136.25 = 210,860.16/x
  3. Step 3: Cross multiply
    339,882.36x = 469,136.25 × 210,860.16
  4. Step 4: Simplify right side
    339,882.36x = 98,922,144,736.80
  5. Step 5: Solve for x
    x = 98,922,144,736.80/339,882.36
  6. Step 6: Final answer
    x = 291,048.19

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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.