Finding the Fourth Proportional to 837,921.71, 1,256,865.56 and 206,840.99
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Solution
The fourth proportional to 837,921.71, 1,256,865.56 and 206,840.99 is: 310,257.29
Step by Step Solution
- Step 1: Write the proportion equation
837,921.71 : 1,256,865.56 = 206,840.99 : x - Step 2: Convert to fraction form
837,921.71/1,256,865.56 = 206,840.99/x - Step 3: Cross multiply
837,921.71x = 1,256,865.56 × 206,840.99 - Step 4: Simplify right side
837,921.71x = 259,971,315,693.10 - Step 5: Solve for x
x = 259,971,315,693.10/837,921.71 - Step 6: Final answer
x = 310,257.29
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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.