Finding the Fourth Proportional to 194,458.05, 291,570.44 and 75,988.26
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Solution
The fourth proportional to 194,458.05, 291,570.44 and 75,988.26 is: 113,936.81
Step by Step Solution
- Step 1: Write the proportion equation
194,458.05 : 291,570.44 = 75,988.26 : x - Step 2: Convert to fraction form
194,458.05/291,570.44 = 75,988.26/x - Step 3: Cross multiply
194,458.05x = 291,570.44 × 75,988.26 - Step 4: Simplify right side
194,458.05x = 22,155,930,023.09 - Step 5: Solve for x
x = 22,155,930,023.09/194,458.05 - Step 6: Final answer
x = 113,936.81
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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.