Finding the Fourth Proportional to 237,132.07, 327,244.79 and 129,699.80
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Solution
The fourth proportional to 237,132.07, 327,244.79 and 129,699.80 is: 178,987.11
Step by Step Solution
- Step 1: Write the proportion equation
237,132.07 : 327,244.79 = 129,699.80 : x - Step 2: Convert to fraction form
237,132.07/327,244.79 = 129,699.80/x - Step 3: Cross multiply
237,132.07x = 327,244.79 × 129,699.80 - Step 4: Simplify right side
237,132.07x = 42,443,583,729.24 - Step 5: Solve for x
x = 42,443,583,729.24/237,132.07 - Step 6: Final answer
x = 178,987.11
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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.