Finding the Fourth Proportional to 141,319.28, 212,000.44 and 87,968.09
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Solution
The fourth proportional to 141,319.28, 212,000.44 and 87,968.09 is: 131,965.53
Step by Step Solution
- Step 1: Write the proportion equation
141,319.28 : 212,000.44 = 87,968.09 : x - Step 2: Convert to fraction form
141,319.28/212,000.44 = 87,968.09/x - Step 3: Cross multiply
141,319.28x = 212,000.44 × 87,968.09 - Step 4: Simplify right side
141,319.28x = 18,649,274,260.98 - Step 5: Solve for x
x = 18,649,274,260.98/141,319.28 - Step 6: Final answer
x = 131,965.53
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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.