Finding the Fourth Proportional to 147,979.84, 222,450.96 and 118,717.84
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Solution
The fourth proportional to 147,979.84, 222,450.96 and 118,717.84 is: 178,462.81
Step by Step Solution
- Step 1: Write the proportion equation
147,979.84 : 222,450.96 = 118,717.84 : x - Step 2: Convert to fraction form
147,979.84/222,450.96 = 118,717.84/x - Step 3: Cross multiply
147,979.84x = 222,450.96 × 118,717.84 - Step 4: Simplify right side
147,979.84x = 26,408,897,477.13 - Step 5: Solve for x
x = 26,408,897,477.13/147,979.84 - Step 6: Final answer
x = 178,462.81
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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.