Finding the Fourth Proportional to 212,813.67, 293,684.84 and 117,323.79
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Solution
The fourth proportional to 212,813.67, 293,684.84 and 117,323.79 is: 161,907.92
Step by Step Solution
- Step 1: Write the proportion equation
212,813.67 : 293,684.84 = 117,323.79 : x - Step 2: Convert to fraction form
212,813.67/293,684.84 = 117,323.79/x - Step 3: Cross multiply
212,813.67x = 293,684.84 × 117,323.79 - Step 4: Simplify right side
212,813.67x = 34,456,217,907.72 - Step 5: Solve for x
x = 34,456,217,907.72/212,813.67 - Step 6: Final answer
x = 161,907.92
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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.