Finding the Fourth Proportional to 237,679.68, 327,988.56 and 142,129.44
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Solution
The fourth proportional to 237,679.68, 327,988.56 and 142,129.44 is: 196,133.01
Step by Step Solution
- Step 1: Write the proportion equation
237,679.68 : 327,988.56 = 142,129.44 : x - Step 2: Convert to fraction form
237,679.68/327,988.56 = 142,129.44/x - Step 3: Cross multiply
237,679.68x = 327,988.56 × 142,129.44 - Step 4: Simplify right side
237,679.68x = 46,616,830,359.21 - Step 5: Solve for x
x = 46,616,830,359.21/237,679.68 - Step 6: Final answer
x = 196,133.01
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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.