Finding the Fourth Proportional to 142,094.36, 212,998.97 and 48,536.12
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Solution
The fourth proportional to 142,094.36, 212,998.97 and 48,536.12 is: 72,755.48
Step by Step Solution
- Step 1: Write the proportion equation
142,094.36 : 212,998.97 = 48,536.12 : x - Step 2: Convert to fraction form
142,094.36/212,998.97 = 48,536.12/x - Step 3: Cross multiply
142,094.36x = 212,998.97 × 48,536.12 - Step 4: Simplify right side
142,094.36x = 10,338,142,624.14 - Step 5: Solve for x
x = 10,338,142,624.14/142,094.36 - Step 6: Final answer
x = 72,755.48
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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.