Finding the Fourth Proportional to 220,714.41, 304,586.31 and 125,202.63
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Solution
The fourth proportional to 220,714.41, 304,586.31 and 125,202.63 is: 172,779.87
Step by Step Solution
- Step 1: Write the proportion equation
220,714.41 : 304,586.31 = 125,202.63 : x - Step 2: Convert to fraction form
220,714.41/304,586.31 = 125,202.63/x - Step 3: Cross multiply
220,714.41x = 304,586.31 × 125,202.63 - Step 4: Simplify right side
220,714.41x = 38,135,007,074.00 - Step 5: Solve for x
x = 38,135,007,074.00/220,714.41 - Step 6: Final answer
x = 172,779.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.