Finding the Fourth Proportional to 202,980.20, 304,543.20 and 84,687.80
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Solution
The fourth proportional to 202,980.20, 304,543.20 and 84,687.80 is: 127,062.12
Step by Step Solution
- Step 1: Write the proportion equation
202,980.20 : 304,543.20 = 84,687.80 : x - Step 2: Convert to fraction form
202,980.20/304,543.20 = 84,687.80/x - Step 3: Cross multiply
202,980.20x = 304,543.20 × 84,687.80 - Step 4: Simplify right side
202,980.20x = 25,791,093,612.96 - Step 5: Solve for x
x = 25,791,093,612.96/202,980.20 - Step 6: Final answer
x = 127,062.12
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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.