Finding the Fourth Proportional to 143,893.36, 215,708.56 and 50,348.08
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Solution
The fourth proportional to 143,893.36, 215,708.56 and 50,348.08 is: 75,476.12
Step by Step Solution
- Step 1: Write the proportion equation
143,893.36 : 215,708.56 = 50,348.08 : x - Step 2: Convert to fraction form
143,893.36/215,708.56 = 50,348.08/x - Step 3: Cross multiply
143,893.36x = 215,708.56 × 50,348.08 - Step 4: Simplify right side
143,893.36x = 10,860,511,835.56 - Step 5: Solve for x
x = 10,860,511,835.56/143,893.36 - Step 6: Final answer
x = 75,476.12
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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.