Finding the Fourth Proportional to 143,924.05, 215,900.48 and 44,083.09
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Solution
The fourth proportional to 143,924.05, 215,900.48 and 44,083.09 is: 66,129.05
Step by Step Solution
- Step 1: Write the proportion equation
143,924.05 : 215,900.48 = 44,083.09 : x - Step 2: Convert to fraction form
143,924.05/215,900.48 = 44,083.09/x - Step 3: Cross multiply
143,924.05x = 215,900.48 × 44,083.09 - Step 4: Simplify right side
143,924.05x = 9,517,560,775.53 - Step 5: Solve for x
x = 9,517,560,775.53/143,924.05 - Step 6: Final answer
x = 66,129.05
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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.