Finding the Fourth Proportional to 197,109.05, 295,684.18 and 90,474.80
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Solution
The fourth proportional to 197,109.05, 295,684.18 and 90,474.80 is: 135,721.65
Step by Step Solution
- Step 1: Write the proportion equation
197,109.05 : 295,684.18 = 90,474.80 : x - Step 2: Convert to fraction form
197,109.05/295,684.18 = 90,474.80/x - Step 3: Cross multiply
197,109.05x = 295,684.18 × 90,474.80 - Step 4: Simplify right side
197,109.05x = 26,751,965,344.06 - Step 5: Solve for x
x = 26,751,965,344.06/197,109.05 - Step 6: Final answer
x = 135,721.65
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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.