Finding the Fourth Proportional to 213,556.09, 294,692.97 and 118,049.80
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Solution
The fourth proportional to 213,556.09, 294,692.97 and 118,049.80 is: 162,900.75
Step by Step Solution
- Step 1: Write the proportion equation
213,556.09 : 294,692.97 = 118,049.80 : x - Step 2: Convert to fraction form
213,556.09/294,692.97 = 118,049.80/x - Step 3: Cross multiply
213,556.09x = 294,692.97 × 118,049.80 - Step 4: Simplify right side
213,556.09x = 34,788,446,169.91 - Step 5: Solve for x
x = 34,788,446,169.91/213,556.09 - Step 6: Final answer
x = 162,900.75
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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.