Finding the Fourth Proportional to 368,537.88, 552,805.01 and 143,921.13
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Solution
The fourth proportional to 368,537.88, 552,805.01 and 143,921.13 is: 215,880.99
Step by Step Solution
- Step 1: Write the proportion equation
368,537.88 : 552,805.01 = 143,921.13 : x - Step 2: Convert to fraction form
368,537.88/552,805.01 = 143,921.13/x - Step 3: Cross multiply
368,537.88x = 552,805.01 × 143,921.13 - Step 4: Simplify right side
368,537.88x = 79,560,320,989.26 - Step 5: Solve for x
x = 79,560,320,989.26/368,537.88 - Step 6: Final answer
x = 215,880.99
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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.