Finding the Fourth Proportional to 134,906.94, 202,484.82 and 68,393.70
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Solution
The fourth proportional to 134,906.94, 202,484.82 and 68,393.70 is: 102,653.62
Step by Step Solution
- Step 1: Write the proportion equation
134,906.94 : 202,484.82 = 68,393.70 : x - Step 2: Convert to fraction form
134,906.94/202,484.82 = 68,393.70/x - Step 3: Cross multiply
134,906.94x = 202,484.82 × 68,393.70 - Step 4: Simplify right side
134,906.94x = 13,848,686,033.63 - Step 5: Solve for x
x = 13,848,686,033.63/134,906.94 - Step 6: Final answer
x = 102,653.62
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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.