Home / 681,100.45-1,021,784.91-201,336.64

Finding the Fourth Proportional to 681,100.45, 1,021,784.91 and 201,336.64

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Solution

The fourth proportional to 681,100.45, 1,021,784.91 and 201,336.64 is: 302,044.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,100.45 : 1,021,784.91 = 201,336.64 : x
  2. Step 2: Convert to fraction form
    681,100.45/1,021,784.91 = 201,336.64/x
  3. Step 3: Cross multiply
    681,100.45x = 1,021,784.91 × 201,336.64
  4. Step 4: Simplify right side
    681,100.45x = 205,722,740,582.10
  5. Step 5: Solve for x
    x = 205,722,740,582.10/681,100.45
  6. Step 6: Final answer
    x = 302,044.64

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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.