Finding the Fourth Proportional to 237,405.65, 327,620.75 and 129,985.67
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Solution
The fourth proportional to 237,405.65, 327,620.75 and 129,985.67 is: 179,380.75
Step by Step Solution
- Step 1: Write the proportion equation
237,405.65 : 327,620.75 = 129,985.67 : x - Step 2: Convert to fraction form
237,405.65/327,620.75 = 129,985.67/x - Step 3: Cross multiply
237,405.65x = 327,620.75 × 129,985.67 - Step 4: Simplify right side
237,405.65x = 42,586,002,863.78 - Step 5: Solve for x
x = 42,586,002,863.78/237,405.65 - Step 6: Final answer
x = 179,380.75
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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.