Finding the Fourth Proportional to 237,107.10, 327,203.20 and 129,676.80
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Solution
The fourth proportional to 237,107.10, 327,203.20 and 129,676.80 is: 178,951.47
Step by Step Solution
- Step 1: Write the proportion equation
237,107.10 : 327,203.20 = 129,676.80 : x - Step 2: Convert to fraction form
237,107.10/327,203.20 = 129,676.80/x - Step 3: Cross multiply
237,107.10x = 327,203.20 × 129,676.80 - Step 4: Simplify right side
237,107.10x = 42,430,663,925.76 - Step 5: Solve for x
x = 42,430,663,925.76/237,107.10 - Step 6: Final answer
x = 178,951.47
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1.5x scale
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.