Finding the Fourth Proportional to 511,337.97, 705,670.43 and 284,985.09
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Solution
The fourth proportional to 511,337.97, 705,670.43 and 284,985.09 is: 393,292.81
Step by Step Solution
- Step 1: Write the proportion equation
511,337.97 : 705,670.43 = 284,985.09 : x - Step 2: Convert to fraction form
511,337.97/705,670.43 = 284,985.09/x - Step 3: Cross multiply
511,337.97x = 705,670.43 × 284,985.09 - Step 4: Simplify right side
511,337.97x = 201,105,549,578.96 - Step 5: Solve for x
x = 201,105,549,578.96/511,337.97 - Step 6: Final answer
x = 393,292.81
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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.