Finding the Fourth Proportional to 216,208.26, 298,364.61 and 120,716.58
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Solution
The fourth proportional to 216,208.26, 298,364.61 and 120,716.58 is: 166,587.32
Step by Step Solution
- Step 1: Write the proportion equation
216,208.26 : 298,364.61 = 120,716.58 : x - Step 2: Convert to fraction form
216,208.26/298,364.61 = 120,716.58/x - Step 3: Cross multiply
216,208.26x = 298,364.61 × 120,716.58 - Step 4: Simplify right side
216,208.26x = 36,017,555,312.23 - Step 5: Solve for x
x = 36,017,555,312.23/216,208.26 - Step 6: Final answer
x = 166,587.32
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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.