Finding the Fourth Proportional to 201,916.60, 302,218.80 and 201,916.60
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Solution
The fourth proportional to 201,916.60, 302,218.80 and 201,916.60 is: 302,218.80
Step by Step Solution
- Step 1: Write the proportion equation
201,916.60 : 302,218.80 = 201,916.60 : x - Step 2: Convert to fraction form
201,916.60/302,218.80 = 201,916.60/x - Step 3: Cross multiply
201,916.60x = 302,218.80 × 201,916.60 - Step 4: Simplify right side
201,916.60x = 61,022,992,552.08 - Step 5: Solve for x
x = 61,022,992,552.08/201,916.60 - Step 6: Final answer
x = 302,218.80
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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.