Finding the Fourth Proportional to 141,071.84, 211,504.08 and 67,251.68
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Solution
The fourth proportional to 141,071.84, 211,504.08 and 67,251.68 is: 100,828.09
Step by Step Solution
- Step 1: Write the proportion equation
141,071.84 : 211,504.08 = 67,251.68 : x - Step 2: Convert to fraction form
141,071.84/211,504.08 = 67,251.68/x - Step 3: Cross multiply
141,071.84x = 211,504.08 × 67,251.68 - Step 4: Simplify right side
141,071.84x = 14,224,004,706.85 - Step 5: Solve for x
x = 14,224,004,706.85/141,071.84 - Step 6: Final answer
x = 100,828.09
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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.