Finding the Fourth Proportional to 853,182.56, 1,177,367.72 and 471,201.14
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Solution
The fourth proportional to 853,182.56, 1,177,367.72 and 471,201.14 is: 650,244.20
Step by Step Solution
- Step 1: Write the proportion equation
853,182.56 : 1,177,367.72 = 471,201.14 : x - Step 2: Convert to fraction form
853,182.56/1,177,367.72 = 471,201.14/x - Step 3: Cross multiply
853,182.56x = 1,177,367.72 × 471,201.14 - Step 4: Simplify right side
853,182.56x = 554,777,011,863.20 - Step 5: Solve for x
x = 554,777,011,863.20/853,182.56 - Step 6: Final answer
x = 650,244.20
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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.