Finding the Fourth Proportional to 853,171.42, 1,177,369.34 and 471,190
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Solution
The fourth proportional to 853,171.42, 1,177,369.34 and 471,190 is: 650,238.21
Step by Step Solution
- Step 1: Write the proportion equation
853,171.42 : 1,177,369.34 = 471,190 : x - Step 2: Convert to fraction form
853,171.42/1,177,369.34 = 471,190/x - Step 3: Cross multiply
853,171.42x = 1,177,369.34 × 471,190 - Step 4: Simplify right side
853,171.42x = 554,764,659,314.60 - Step 5: Solve for x
x = 554,764,659,314.60/853,171.42 - Step 6: Final answer
x = 650,238.21
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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.