Finding the Fourth Proportional to 230,540.63, 318,148.49 and 129,938.63
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Solution
The fourth proportional to 230,540.63, 318,148.49 and 129,938.63 is: 179,316.67
Step by Step Solution
- Step 1: Write the proportion equation
230,540.63 : 318,148.49 = 129,938.63 : x - Step 2: Convert to fraction form
230,540.63/318,148.49 = 129,938.63/x - Step 3: Cross multiply
230,540.63x = 318,148.49 × 129,938.63 - Step 4: Simplify right side
230,540.63x = 41,339,777,661.27 - Step 5: Solve for x
x = 41,339,777,661.27/230,540.63 - Step 6: Final answer
x = 179,316.67
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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.