Finding the Fourth Proportional to 75,449.09, 113,191.14 and 22,138.93
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Solution
The fourth proportional to 75,449.09, 113,191.14 and 22,138.93 is: 33,213.53
Step by Step Solution
- Step 1: Write the proportion equation
75,449.09 : 113,191.14 = 22,138.93 : x - Step 2: Convert to fraction form
75,449.09/113,191.14 = 22,138.93/x - Step 3: Cross multiply
75,449.09x = 113,191.14 × 22,138.93 - Step 4: Simplify right side
75,449.09x = 2,505,930,725.08 - Step 5: Solve for x
x = 2,505,930,725.08/75,449.09 - Step 6: Final answer
x = 33,213.53
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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.