Finding the Fourth Proportional to 203,202.30, 304,655.76 and 84,907.50
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Solution
The fourth proportional to 203,202.30, 304,655.76 and 84,907.50 is: 127,299.54
Step by Step Solution
- Step 1: Write the proportion equation
203,202.30 : 304,655.76 = 84,907.50 : x - Step 2: Convert to fraction form
203,202.30/304,655.76 = 84,907.50/x - Step 3: Cross multiply
203,202.30x = 304,655.76 × 84,907.50 - Step 4: Simplify right side
203,202.30x = 25,867,558,942.20 - Step 5: Solve for x
x = 25,867,558,942.20/203,202.30 - Step 6: Final answer
x = 127,299.54
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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.