Home / 815,642.03-1,223,450.09-200,152.60

Finding the Fourth Proportional to 815,642.03, 1,223,450.09 and 200,152.60

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Solution

The fourth proportional to 815,642.03, 1,223,450.09 and 200,152.60 is: 300,225.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,642.03 : 1,223,450.09 = 200,152.60 : x
  2. Step 2: Convert to fraction form
    815,642.03/1,223,450.09 = 200,152.60/x
  3. Step 3: Cross multiply
    815,642.03x = 1,223,450.09 × 200,152.60
  4. Step 4: Simplify right side
    815,642.03x = 244,876,709,365.72
  5. Step 5: Solve for x
    x = 244,876,709,365.72/815,642.03
  6. Step 6: Final answer
    x = 300,225.71

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1.5x scale

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.