Finding the Fourth Proportional to 215,528.82, 297,418.08 and 118,713.84
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Solution
The fourth proportional to 215,528.82, 297,418.08 and 118,713.84 is: 163,818.66
Step by Step Solution
- Step 1: Write the proportion equation
215,528.82 : 297,418.08 = 118,713.84 : x - Step 2: Convert to fraction form
215,528.82/297,418.08 = 118,713.84/x - Step 3: Cross multiply
215,528.82x = 297,418.08 × 118,713.84 - Step 4: Simplify right side
215,528.82x = 35,307,642,362.23 - Step 5: Solve for x
x = 35,307,642,362.23/215,528.82 - Step 6: Final answer
x = 163,818.66
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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.