Finding the Fourth Proportional to 239,146.12, 327,631.61 and 230,177.80
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Solution
The fourth proportional to 239,146.12, 327,631.61 and 230,177.80 is: 315,344.96
Step by Step Solution
- Step 1: Write the proportion equation
239,146.12 : 327,631.61 = 230,177.80 : x - Step 2: Convert to fraction form
239,146.12/327,631.61 = 230,177.80/x - Step 3: Cross multiply
239,146.12x = 327,631.61 × 230,177.80 - Step 4: Simplify right side
239,146.12x = 75,413,523,200.26 - Step 5: Solve for x
x = 75,413,523,200.26/239,146.12 - Step 6: Final answer
x = 315,344.96
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.