Finding the Fourth Proportional to 237,128.19, 327,244.74 and 129,698.24
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Solution
The fourth proportional to 237,128.19, 327,244.74 and 129,698.24 is: 178,987.85
Step by Step Solution
- Step 1: Write the proportion equation
237,128.19 : 327,244.74 = 129,698.24 : x - Step 2: Convert to fraction form
237,128.19/327,244.74 = 129,698.24/x - Step 3: Cross multiply
237,128.19x = 327,244.74 × 129,698.24 - Step 4: Simplify right side
237,128.19x = 42,443,065,191.03 - Step 5: Solve for x
x = 42,443,065,191.03/237,128.19 - Step 6: Final answer
x = 178,987.85
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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.