Finding the Fourth Proportional to 119,442.66, 178,770.21 and 66,052.50
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Solution
The fourth proportional to 119,442.66, 178,770.21 and 66,052.50 is: 98,860.99
Step by Step Solution
- Step 1: Write the proportion equation
119,442.66 : 178,770.21 = 66,052.50 : x - Step 2: Convert to fraction form
119,442.66/178,770.21 = 66,052.50/x - Step 3: Cross multiply
119,442.66x = 178,770.21 × 66,052.50 - Step 4: Simplify right side
119,442.66x = 11,808,219,296.03 - Step 5: Solve for x
x = 11,808,219,296.03/119,442.66 - Step 6: Final answer
x = 98,860.99
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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.