Finding the Fourth Proportional to 179,902.42, 248,269.21 and 99,335.05
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Solution
The fourth proportional to 179,902.42, 248,269.21 and 99,335.05 is: 137,084.50
Step by Step Solution
- Step 1: Write the proportion equation
179,902.42 : 248,269.21 = 99,335.05 : x - Step 2: Convert to fraction form
179,902.42/248,269.21 = 99,335.05/x - Step 3: Cross multiply
179,902.42x = 248,269.21 × 99,335.05 - Step 4: Simplify right side
179,902.42x = 24,661,833,519.80 - Step 5: Solve for x
x = 24,661,833,519.80/179,902.42 - Step 6: Final answer
x = 137,084.50
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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.