Finding the Fourth Proportional to 471,936.54, 651,318.26 and 290,770.32
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Solution
The fourth proportional to 471,936.54, 651,318.26 and 290,770.32 is: 401,291.28
Step by Step Solution
- Step 1: Write the proportion equation
471,936.54 : 651,318.26 = 290,770.32 : x - Step 2: Convert to fraction form
471,936.54/651,318.26 = 290,770.32/x - Step 3: Cross multiply
471,936.54x = 651,318.26 × 290,770.32 - Step 4: Simplify right side
471,936.54x = 189,384,017,428.19 - Step 5: Solve for x
x = 189,384,017,428.19/471,936.54 - Step 6: Final answer
x = 401,291.28
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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.