Finding the Fourth Proportional to 140,431.14, 210,699.91 and 84,310.44
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Solution
The fourth proportional to 140,431.14, 210,699.91 and 84,310.44 is: 126,497.60
Step by Step Solution
- Step 1: Write the proportion equation
140,431.14 : 210,699.91 = 84,310.44 : x - Step 2: Convert to fraction form
140,431.14/210,699.91 = 84,310.44/x - Step 3: Cross multiply
140,431.14x = 210,699.91 × 84,310.44 - Step 4: Simplify right side
140,431.14x = 17,764,202,975.98 - Step 5: Solve for x
x = 17,764,202,975.98/140,431.14 - Step 6: Final answer
x = 126,497.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.