Finding the Fourth Proportional to 141,732.36, 212,598.78 and 133,071.84
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Solution
The fourth proportional to 141,732.36, 212,598.78 and 133,071.84 is: 199,607.99
Step by Step Solution
- Step 1: Write the proportion equation
141,732.36 : 212,598.78 = 133,071.84 : x - Step 2: Convert to fraction form
141,732.36/212,598.78 = 133,071.84/x - Step 3: Cross multiply
141,732.36x = 212,598.78 × 133,071.84 - Step 4: Simplify right side
141,732.36x = 28,290,910,836.36 - Step 5: Solve for x
x = 28,290,910,836.36/141,732.36 - Step 6: Final answer
x = 199,607.99
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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.