Finding the Fourth Proportional to 119,310.75, 178,967.21 and 36,204.75
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Solution
The fourth proportional to 119,310.75, 178,967.21 and 36,204.75 is: 54,307.45
Step by Step Solution
- Step 1: Write the proportion equation
119,310.75 : 178,967.21 = 36,204.75 : x - Step 2: Convert to fraction form
119,310.75/178,967.21 = 36,204.75/x - Step 3: Cross multiply
119,310.75x = 178,967.21 × 36,204.75 - Step 4: Simplify right side
119,310.75x = 6,479,462,915.22 - Step 5: Solve for x
x = 6,479,462,915.22/119,310.75 - Step 6: Final answer
x = 54,307.45
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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.