Finding the Fourth Proportional to 203,171.12, 304,753.44 and 55,427.12
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Solution
The fourth proportional to 203,171.12, 304,753.44 and 55,427.12 is: 83,139.80
Step by Step Solution
- Step 1: Write the proportion equation
203,171.12 : 304,753.44 = 55,427.12 : x - Step 2: Convert to fraction form
203,171.12/304,753.44 = 55,427.12/x - Step 3: Cross multiply
203,171.12x = 304,753.44 × 55,427.12 - Step 4: Simplify right side
203,171.12x = 16,891,605,489.29 - Step 5: Solve for x
x = 16,891,605,489.29/203,171.12 - Step 6: Final answer
x = 83,139.80
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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.