Finding the Fourth Proportional to 213,133.14, 319,265.01 and 132,908.49
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Solution
The fourth proportional to 213,133.14, 319,265.01 and 132,908.49 is: 199,091.66
Step by Step Solution
- Step 1: Write the proportion equation
213,133.14 : 319,265.01 = 132,908.49 : x - Step 2: Convert to fraction form
213,133.14/319,265.01 = 132,908.49/x - Step 3: Cross multiply
213,133.14x = 319,265.01 × 132,908.49 - Step 4: Simplify right side
213,133.14x = 42,433,030,388.93 - Step 5: Solve for x
x = 42,433,030,388.93/213,133.14 - Step 6: Final answer
x = 199,091.66
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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.