Finding the Fourth Proportional to 418,052.36, 576,918.42 and 236,759.78
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Solution
The fourth proportional to 418,052.36, 576,918.42 and 236,759.78 is: 326,731.99
Step by Step Solution
- Step 1: Write the proportion equation
418,052.36 : 576,918.42 = 236,759.78 : x - Step 2: Convert to fraction form
418,052.36/576,918.42 = 236,759.78/x - Step 3: Cross multiply
418,052.36x = 576,918.42 × 236,759.78 - Step 4: Simplify right side
418,052.36x = 136,591,078,197.15 - Step 5: Solve for x
x = 136,591,078,197.15/418,052.36 - Step 6: Final answer
x = 326,731.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.