Finding the Fourth Proportional to 342,414.58, 513,691.92 and 117,745.82
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Solution
The fourth proportional to 342,414.58, 513,691.92 and 117,745.82 is: 176,642.82
Step by Step Solution
- Step 1: Write the proportion equation
342,414.58 : 513,691.92 = 117,745.82 : x - Step 2: Convert to fraction form
342,414.58/513,691.92 = 117,745.82/x - Step 3: Cross multiply
342,414.58x = 513,691.92 × 117,745.82 - Step 4: Simplify right side
342,414.58x = 60,485,077,190.46 - Step 5: Solve for x
x = 60,485,077,190.46/342,414.58 - Step 6: Final answer
x = 176,642.82
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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.