Home / 212,496.36-317,189.82-187,274.44

Finding the Fourth Proportional to 212,496.36, 317,189.82 and 187,274.44

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Solution

The fourth proportional to 212,496.36, 317,189.82 and 187,274.44 is: 279,541.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,496.36 : 317,189.82 = 187,274.44 : x
  2. Step 2: Convert to fraction form
    212,496.36/317,189.82 = 187,274.44/x
  3. Step 3: Cross multiply
    212,496.36x = 317,189.82 × 187,274.44
  4. Step 4: Simplify right side
    212,496.36x = 59,401,545,914.20
  5. Step 5: Solve for x
    x = 59,401,545,914.20/212,496.36
  6. Step 6: Final answer
    x = 279,541.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.