Finding the Fourth Proportional to 263,079.36, 363,048.96 and 149,902.08
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Solution
The fourth proportional to 263,079.36, 363,048.96 and 149,902.08 is: 206,864.55
Step by Step Solution
- Step 1: Write the proportion equation
263,079.36 : 363,048.96 = 149,902.08 : x - Step 2: Convert to fraction form
263,079.36/363,048.96 = 149,902.08/x - Step 3: Cross multiply
263,079.36x = 363,048.96 × 149,902.08 - Step 4: Simplify right side
263,079.36x = 54,421,794,245.84 - Step 5: Solve for x
x = 54,421,794,245.84/263,079.36 - Step 6: Final answer
x = 206,864.55
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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.