Finding the Fourth Proportional to 196,529.19, 294,721.26 and 70,135.62
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Solution
The fourth proportional to 196,529.19, 294,721.26 and 70,135.62 is: 105,177.55
Step by Step Solution
- Step 1: Write the proportion equation
196,529.19 : 294,721.26 = 70,135.62 : x - Step 2: Convert to fraction form
196,529.19/294,721.26 = 70,135.62/x - Step 3: Cross multiply
196,529.19x = 294,721.26 × 70,135.62 - Step 4: Simplify right side
196,529.19x = 20,670,458,297.28 - Step 5: Solve for x
x = 20,670,458,297.28/196,529.19 - Step 6: Final answer
x = 105,177.55
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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.