Finding the Fourth Proportional to 237,069.68, 327,156.48 and 129,639.38
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Solution
The fourth proportional to 237,069.68, 327,156.48 and 129,639.38 is: 178,902.52
Step by Step Solution
- Step 1: Write the proportion equation
237,069.68 : 327,156.48 = 129,639.38 : x - Step 2: Convert to fraction form
237,069.68/327,156.48 = 129,639.38/x - Step 3: Cross multiply
237,069.68x = 327,156.48 × 129,639.38 - Step 4: Simplify right side
237,069.68x = 42,412,363,230.18 - Step 5: Solve for x
x = 42,412,363,230.18/237,069.68 - Step 6: Final answer
x = 178,902.52
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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.