Finding the Fourth Proportional to 476,157.29, 657,107.84 and 261,310.96
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Solution
The fourth proportional to 476,157.29, 657,107.84 and 261,310.96 is: 360,615.05
Step by Step Solution
- Step 1: Write the proportion equation
476,157.29 : 657,107.84 = 261,310.96 : x - Step 2: Convert to fraction form
476,157.29/657,107.84 = 261,310.96/x - Step 3: Cross multiply
476,157.29x = 657,107.84 × 261,310.96 - Step 4: Simplify right side
476,157.29x = 171,709,481,968.59 - Step 5: Solve for x
x = 171,709,481,968.59/476,157.29 - Step 6: Final answer
x = 360,615.05
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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.