Finding the Fourth Proportional to 141,213.18, 211,717.20 and 66,294.78
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Solution
The fourth proportional to 141,213.18, 211,717.20 and 66,294.78 is: 99,394.02
Step by Step Solution
- Step 1: Write the proportion equation
141,213.18 : 211,717.20 = 66,294.78 : x - Step 2: Convert to fraction form
141,213.18/211,717.20 = 66,294.78/x - Step 3: Cross multiply
141,213.18x = 211,717.20 × 66,294.78 - Step 4: Simplify right side
141,213.18x = 14,035,745,196.22 - Step 5: Solve for x
x = 14,035,745,196.22/141,213.18 - Step 6: Final answer
x = 99,394.02
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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.