Finding the Fourth Proportional to 237,339.05, 327,515.21 and 129,888.30
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Solution
The fourth proportional to 237,339.05, 327,515.21 and 129,888.30 is: 179,238.92
Step by Step Solution
- Step 1: Write the proportion equation
237,339.05 : 327,515.21 = 129,888.30 : x - Step 2: Convert to fraction form
237,339.05/327,515.21 = 129,888.30/x - Step 3: Cross multiply
237,339.05x = 327,515.21 × 129,888.30 - Step 4: Simplify right side
237,339.05x = 42,540,393,851.04 - Step 5: Solve for x
x = 42,540,393,851.04/237,339.05 - Step 6: Final answer
x = 179,238.92
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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.