Finding the Fourth Proportional to 312,240.68, 430,902.58 and 191,358.62
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Solution
The fourth proportional to 312,240.68, 430,902.58 and 191,358.62 is: 264,081.29
Step by Step Solution
- Step 1: Write the proportion equation
312,240.68 : 430,902.58 = 191,358.62 : x - Step 2: Convert to fraction form
312,240.68/430,902.58 = 191,358.62/x - Step 3: Cross multiply
312,240.68x = 430,902.58 × 191,358.62 - Step 4: Simplify right side
312,240.68x = 82,456,923,063.24 - Step 5: Solve for x
x = 82,456,923,063.24/312,240.68 - Step 6: Final answer
x = 264,081.29
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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.