Finding the Fourth Proportional to 213,171.27, 294,176.93 and 117,677.97
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Solution
The fourth proportional to 213,171.27, 294,176.93 and 117,677.97 is: 162,395.92
Step by Step Solution
- Step 1: Write the proportion equation
213,171.27 : 294,176.93 = 117,677.97 : x - Step 2: Convert to fraction form
213,171.27/294,176.93 = 117,677.97/x - Step 3: Cross multiply
213,171.27x = 294,176.93 × 117,677.97 - Step 4: Simplify right side
213,171.27x = 34,618,143,943.23 - Step 5: Solve for x
x = 34,618,143,943.23/213,171.27 - Step 6: Final answer
x = 162,395.92
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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.