Finding the Fourth Proportional to 201,231.68, 301,960.80 and 185,368.64
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Solution
The fourth proportional to 201,231.68, 301,960.80 and 185,368.64 is: 278,157.31
Step by Step Solution
- Step 1: Write the proportion equation
201,231.68 : 301,960.80 = 185,368.64 : x - Step 2: Convert to fraction form
201,231.68/301,960.80 = 185,368.64/x - Step 3: Cross multiply
201,231.68x = 301,960.80 × 185,368.64 - Step 4: Simplify right side
201,231.68x = 55,974,062,829.31 - Step 5: Solve for x
x = 55,974,062,829.31/201,231.68 - Step 6: Final answer
x = 278,157.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.