Finding the Fourth Proportional to 104,537.68, 157,578.04 and 98,441.20
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Solution
The fourth proportional to 104,537.68, 157,578.04 and 98,441.20 is: 148,388.33
Step by Step Solution
- Step 1: Write the proportion equation
104,537.68 : 157,578.04 = 98,441.20 : x - Step 2: Convert to fraction form
104,537.68/157,578.04 = 98,441.20/x - Step 3: Cross multiply
104,537.68x = 157,578.04 × 98,441.20 - Step 4: Simplify right side
104,537.68x = 15,512,171,351.25 - Step 5: Solve for x
x = 15,512,171,351.25/104,537.68 - Step 6: Final answer
x = 148,388.33
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.