Finding the Fourth Proportional to 676,040.88, 932,936.69 and 370,137.09
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Solution
The fourth proportional to 676,040.88, 932,936.69 and 370,137.09 is: 510,789.34
Step by Step Solution
- Step 1: Write the proportion equation
676,040.88 : 932,936.69 = 370,137.09 : x - Step 2: Convert to fraction form
676,040.88/932,936.69 = 370,137.09/x - Step 3: Cross multiply
676,040.88x = 932,936.69 × 370,137.09 - Step 4: Simplify right side
676,040.88x = 345,314,472,516.18 - Step 5: Solve for x
x = 345,314,472,516.18/676,040.88 - Step 6: Final answer
x = 510,789.34
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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.