Finding the Fourth Proportional to 345,141.60, 476,202.42 and 201,936.84
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Solution
The fourth proportional to 345,141.60, 476,202.42 and 201,936.84 is: 278,618.43
Step by Step Solution
- Step 1: Write the proportion equation
345,141.60 : 476,202.42 = 201,936.84 : x - Step 2: Convert to fraction form
345,141.60/476,202.42 = 201,936.84/x - Step 3: Cross multiply
345,141.60x = 476,202.42 × 201,936.84 - Step 4: Simplify right side
345,141.60x = 96,162,811,895.15 - Step 5: Solve for x
x = 96,162,811,895.15/345,141.60 - Step 6: Final answer
x = 278,618.43
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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.