Finding the Fourth Proportional to 212,988.63, 319,428.26 and 63,193.48
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Solution
The fourth proportional to 212,988.63, 319,428.26 and 63,193.48 is: 94,773.99
Step by Step Solution
- Step 1: Write the proportion equation
212,988.63 : 319,428.26 = 63,193.48 : x - Step 2: Convert to fraction form
212,988.63/319,428.26 = 63,193.48/x - Step 3: Cross multiply
212,988.63x = 319,428.26 × 63,193.48 - Step 4: Simplify right side
212,988.63x = 20,185,781,762.60 - Step 5: Solve for x
x = 20,185,781,762.60/212,988.63 - Step 6: Final answer
x = 94,773.99
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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.