Finding the Fourth Proportional to 479,539.94, 661,755.02 and 261,741.42
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Solution
The fourth proportional to 479,539.94, 661,755.02 and 261,741.42 is: 361,197.65
Step by Step Solution
- Step 1: Write the proportion equation
479,539.94 : 661,755.02 = 261,741.42 : x - Step 2: Convert to fraction form
479,539.94/661,755.02 = 261,741.42/x - Step 3: Cross multiply
479,539.94x = 661,755.02 × 261,741.42 - Step 4: Simplify right side
479,539.94x = 173,208,697,318.22 - Step 5: Solve for x
x = 173,208,697,318.22/479,539.94 - Step 6: Final answer
x = 361,197.65
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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.