Finding the Fourth Proportional to 230,020.63, 345,044.73 and 72,249.09
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Solution
The fourth proportional to 230,020.63, 345,044.73 and 72,249.09 is: 108,377.96
Step by Step Solution
- Step 1: Write the proportion equation
230,020.63 : 345,044.73 = 72,249.09 : x - Step 2: Convert to fraction form
230,020.63/345,044.73 = 72,249.09/x - Step 3: Cross multiply
230,020.63x = 345,044.73 × 72,249.09 - Step 4: Simplify right side
230,020.63x = 24,929,167,751.80 - Step 5: Solve for x
x = 24,929,167,751.80/230,020.63 - Step 6: Final answer
x = 108,377.96
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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.