Finding the Fourth Proportional to 141,194.12, 211,728.99 and 66,335.54
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Solution
The fourth proportional to 141,194.12, 211,728.99 and 66,335.54 is: 99,474.09
Step by Step Solution
- Step 1: Write the proportion equation
141,194.12 : 211,728.99 = 66,335.54 : x - Step 2: Convert to fraction form
141,194.12/211,728.99 = 66,335.54/x - Step 3: Cross multiply
141,194.12x = 211,728.99 × 66,335.54 - Step 4: Simplify right side
141,194.12x = 14,045,156,885.30 - Step 5: Solve for x
x = 14,045,156,885.30/141,194.12 - Step 6: Final answer
x = 99,474.09
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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.