Finding the Fourth Proportional to 256,537.09, 382,926.95 and 226,236.81
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Solution
The fourth proportional to 256,537.09, 382,926.95 and 226,236.81 is: 337,698.43
Step by Step Solution
- Step 1: Write the proportion equation
256,537.09 : 382,926.95 = 226,236.81 : x - Step 2: Convert to fraction form
256,537.09/382,926.95 = 226,236.81/x - Step 3: Cross multiply
256,537.09x = 382,926.95 × 226,236.81 - Step 4: Simplify right side
256,537.09x = 86,632,171,631.03 - Step 5: Solve for x
x = 86,632,171,631.03/256,537.09 - Step 6: Final answer
x = 337,698.43
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.