Finding the Fourth Proportional to 212,895.50, 319,343.26 and 119,408.54
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Solution
The fourth proportional to 212,895.50, 319,343.26 and 119,408.54 is: 179,112.82
Step by Step Solution
- Step 1: Write the proportion equation
212,895.50 : 319,343.26 = 119,408.54 : x - Step 2: Convert to fraction form
212,895.50/319,343.26 = 119,408.54/x - Step 3: Cross multiply
212,895.50x = 319,343.26 × 119,408.54 - Step 4: Simplify right side
212,895.50x = 38,132,312,435.44 - Step 5: Solve for x
x = 38,132,312,435.44/212,895.50 - Step 6: Final answer
x = 179,112.82
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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.