Finding the Fourth Proportional to 613,900.62, 847,170.09 and 341,968.14
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Solution
The fourth proportional to 613,900.62, 847,170.09 and 341,968.14 is: 471,908.92
Step by Step Solution
- Step 1: Write the proportion equation
613,900.62 : 847,170.09 = 341,968.14 : x - Step 2: Convert to fraction form
613,900.62/847,170.09 = 341,968.14/x - Step 3: Cross multiply
613,900.62x = 847,170.09 × 341,968.14 - Step 4: Simplify right side
613,900.62x = 289,705,179,940.93 - Step 5: Solve for x
x = 289,705,179,940.93/613,900.62 - Step 6: Final answer
x = 471,908.92
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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.