Finding the Fourth Proportional to 230,612.63, 318,245.49 and 130,010.63
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Solution
The fourth proportional to 230,612.63, 318,245.49 and 130,010.63 is: 179,414.70
Step by Step Solution
- Step 1: Write the proportion equation
230,612.63 : 318,245.49 = 130,010.63 : x - Step 2: Convert to fraction form
230,612.63/318,245.49 = 130,010.63/x - Step 3: Cross multiply
230,612.63x = 318,245.49 × 130,010.63 - Step 4: Simplify right side
230,612.63x = 41,375,295,058.33 - Step 5: Solve for x
x = 41,375,295,058.33/230,612.63 - Step 6: Final answer
x = 179,414.70
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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.