Finding the Fourth Proportional to 237,102.72, 327,197.52 and 129,671.88
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Solution
The fourth proportional to 237,102.72, 327,197.52 and 129,671.88 is: 178,944.88
Step by Step Solution
- Step 1: Write the proportion equation
237,102.72 : 327,197.52 = 129,671.88 : x - Step 2: Convert to fraction form
237,102.72/327,197.52 = 129,671.88/x - Step 3: Cross multiply
237,102.72x = 327,197.52 × 129,671.88 - Step 4: Simplify right side
237,102.72x = 42,428,317,549.74 - Step 5: Solve for x
x = 42,428,317,549.74/237,102.72 - Step 6: Final answer
x = 178,944.88
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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.