Finding the Fourth Proportional to 212,936.99, 319,356.27 and 63,141.12
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Solution
The fourth proportional to 212,936.99, 319,356.27 and 63,141.12 is: 94,697.09
Step by Step Solution
- Step 1: Write the proportion equation
212,936.99 : 319,356.27 = 63,141.12 : x - Step 2: Convert to fraction form
212,936.99/319,356.27 = 63,141.12/x - Step 3: Cross multiply
212,936.99x = 319,356.27 × 63,141.12 - Step 4: Simplify right side
212,936.99x = 20,164,512,566.82 - Step 5: Solve for x
x = 20,164,512,566.82/212,936.99 - Step 6: Final answer
x = 94,697.09
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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.