Home / 626,680.80-939,982.32-200,206.08

Finding the Fourth Proportional to 626,680.80, 939,982.32 and 200,206.08

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Solution

The fourth proportional to 626,680.80, 939,982.32 and 200,206.08 is: 300,296.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,680.80 : 939,982.32 = 200,206.08 : x
  2. Step 2: Convert to fraction form
    626,680.80/939,982.32 = 200,206.08/x
  3. Step 3: Cross multiply
    626,680.80x = 939,982.32 × 200,206.08
  4. Step 4: Simplify right side
    626,680.80x = 188,190,175,556.51
  5. Step 5: Solve for x
    x = 188,190,175,556.51/626,680.80
  6. Step 6: Final answer
    x = 300,296.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.