Finding the Fourth Proportional to 204,028.80, 306,043.20 and 141,043.20
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Solution
The fourth proportional to 204,028.80, 306,043.20 and 141,043.20 is: 211,564.80
Step by Step Solution
- Step 1: Write the proportion equation
204,028.80 : 306,043.20 = 141,043.20 : x - Step 2: Convert to fraction form
204,028.80/306,043.20 = 141,043.20/x - Step 3: Cross multiply
204,028.80x = 306,043.20 × 141,043.20 - Step 4: Simplify right side
204,028.80x = 43,165,312,266.24 - Step 5: Solve for x
x = 43,165,312,266.24/204,028.80 - Step 6: Final answer
x = 211,564.80
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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.