Finding the Fourth Proportional to 213,981.44, 295,290.77 and 118,486.08
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Solution
The fourth proportional to 213,981.44, 295,290.77 and 118,486.08 is: 163,508.79
Step by Step Solution
- Step 1: Write the proportion equation
213,981.44 : 295,290.77 = 118,486.08 : x - Step 2: Convert to fraction form
213,981.44/295,290.77 = 118,486.08/x - Step 3: Cross multiply
213,981.44x = 295,290.77 × 118,486.08 - Step 4: Simplify right side
213,981.44x = 34,987,845,797.48 - Step 5: Solve for x
x = 34,987,845,797.48/213,981.44 - Step 6: Final answer
x = 163,508.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.