Finding the Fourth Proportional to 327,425.81, 491,138.84 and 147,300.84
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Solution
The fourth proportional to 327,425.81, 491,138.84 and 147,300.84 is: 220,951.32
Step by Step Solution
- Step 1: Write the proportion equation
327,425.81 : 491,138.84 = 147,300.84 : x - Step 2: Convert to fraction form
327,425.81/491,138.84 = 147,300.84/x - Step 3: Cross multiply
327,425.81x = 491,138.84 × 147,300.84 - Step 4: Simplify right side
327,425.81x = 72,345,164,056.88 - Step 5: Solve for x
x = 72,345,164,056.88/327,425.81 - Step 6: Final answer
x = 220,951.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.