Finding the Fourth Proportional to 212,679.44, 319,130.94 and 94,435.64
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Solution
The fourth proportional to 212,679.44, 319,130.94 and 94,435.64 is: 141,703.09
Step by Step Solution
- Step 1: Write the proportion equation
212,679.44 : 319,130.94 = 94,435.64 : x - Step 2: Convert to fraction form
212,679.44/319,130.94 = 94,435.64/x - Step 3: Cross multiply
212,679.44x = 319,130.94 × 94,435.64 - Step 4: Simplify right side
212,679.44x = 30,137,334,562.70 - Step 5: Solve for x
x = 30,137,334,562.70/212,679.44 - Step 6: Final answer
x = 141,703.09
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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.