Finding the Fourth Proportional to 135,043.49, 202,560.87 and 40,274.46
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Solution
The fourth proportional to 135,043.49, 202,560.87 and 40,274.46 is: 60,410.39
Step by Step Solution
- Step 1: Write the proportion equation
135,043.49 : 202,560.87 = 40,274.46 : x - Step 2: Convert to fraction form
135,043.49/202,560.87 = 40,274.46/x - Step 3: Cross multiply
135,043.49x = 202,560.87 × 40,274.46 - Step 4: Simplify right side
135,043.49x = 8,158,029,656.38 - Step 5: Solve for x
x = 8,158,029,656.38/135,043.49 - Step 6: Final answer
x = 60,410.39
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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.