Finding the Fourth Proportional to 203,135.40, 304,731.42 and 84,779.64
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Solution
The fourth proportional to 203,135.40, 304,731.42 and 84,779.64 is: 127,181.28
Step by Step Solution
- Step 1: Write the proportion equation
203,135.40 : 304,731.42 = 84,779.64 : x - Step 2: Convert to fraction form
203,135.40/304,731.42 = 84,779.64/x - Step 3: Cross multiply
203,135.40x = 304,731.42 × 84,779.64 - Step 4: Simplify right side
203,135.40x = 25,835,020,084.29 - Step 5: Solve for x
x = 25,835,020,084.29/203,135.40 - Step 6: Final answer
x = 127,181.28
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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.