Finding the Fourth Proportional to 178,342.20, 246,127.76 and 97,785.09
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Solution
The fourth proportional to 178,342.20, 246,127.76 and 97,785.09 is: 134,951.94
Step by Step Solution
- Step 1: Write the proportion equation
178,342.20 : 246,127.76 = 97,785.09 : x - Step 2: Convert to fraction form
178,342.20/246,127.76 = 97,785.09/x - Step 3: Cross multiply
178,342.20x = 246,127.76 × 97,785.09 - Step 4: Simplify right side
178,342.20x = 24,067,625,163.10 - Step 5: Solve for x
x = 24,067,625,163.10/178,342.20 - Step 6: Final answer
x = 134,951.94
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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.