Home / 209,845.20-314,767.80-195,918.80

Finding the Fourth Proportional to 209,845.20, 314,767.80 and 195,918.80

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Solution

The fourth proportional to 209,845.20, 314,767.80 and 195,918.80 is: 293,878.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,845.20 : 314,767.80 = 195,918.80 : x
  2. Step 2: Convert to fraction form
    209,845.20/314,767.80 = 195,918.80/x
  3. Step 3: Cross multiply
    209,845.20x = 314,767.80 × 195,918.80
  4. Step 4: Simplify right side
    209,845.20x = 61,668,929,654.64
  5. Step 5: Solve for x
    x = 61,668,929,654.64/209,845.20
  6. Step 6: Final answer
    x = 293,878.20

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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.