Finding the Fourth Proportional to 103,418.01, 155,108.55 and 27,516.99
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Solution
The fourth proportional to 103,418.01, 155,108.55 and 27,516.99 is: 41,270.57
Step by Step Solution
- Step 1: Write the proportion equation
103,418.01 : 155,108.55 = 27,516.99 : x - Step 2: Convert to fraction form
103,418.01/155,108.55 = 27,516.99/x - Step 3: Cross multiply
103,418.01x = 155,108.55 × 27,516.99 - Step 4: Simplify right side
103,418.01x = 4,268,120,419.26 - Step 5: Solve for x
x = 4,268,120,419.26/103,418.01 - Step 6: Final answer
x = 41,270.57
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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.