Finding the Fourth Proportional to 891,132.75, 1,336,777.71 and 251,442.09
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Solution
The fourth proportional to 891,132.75, 1,336,777.71 and 251,442.09 is: 377,185.31
Step by Step Solution
- Step 1: Write the proportion equation
891,132.75 : 1,336,777.71 = 251,442.09 : x - Step 2: Convert to fraction form
891,132.75/1,336,777.71 = 251,442.09/x - Step 3: Cross multiply
891,132.75x = 1,336,777.71 × 251,442.09 - Step 4: Simplify right side
891,132.75x = 336,122,181,267.81 - Step 5: Solve for x
x = 336,122,181,267.81/891,132.75 - Step 6: Final answer
x = 377,185.31
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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.