Finding the Fourth Proportional to 212,994.14, 319,436.51 and 63,198.99
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Solution
The fourth proportional to 212,994.14, 319,436.51 and 63,198.99 is: 94,782.26
Step by Step Solution
- Step 1: Write the proportion equation
212,994.14 : 319,436.51 = 63,198.99 : x - Step 2: Convert to fraction form
212,994.14/319,436.51 = 63,198.99/x - Step 3: Cross multiply
212,994.14x = 319,436.51 × 63,198.99 - Step 4: Simplify right side
212,994.14x = 20,188,064,485.13 - Step 5: Solve for x
x = 20,188,064,485.13/212,994.14 - Step 6: Final answer
x = 94,782.26
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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.