Finding the Fourth Proportional to 398,734.19, 597,608.79 and 342,176.75
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Solution
The fourth proportional to 398,734.19, 597,608.79 and 342,176.75 is: 512,842.49
Step by Step Solution
- Step 1: Write the proportion equation
398,734.19 : 597,608.79 = 342,176.75 : x - Step 2: Convert to fraction form
398,734.19/597,608.79 = 342,176.75/x - Step 3: Cross multiply
398,734.19x = 597,608.79 × 342,176.75 - Step 4: Simplify right side
398,734.19x = 204,487,833,533.63 - Step 5: Solve for x
x = 204,487,833,533.63/398,734.19 - Step 6: Final answer
x = 512,842.49
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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.