Finding the Fourth Proportional to 265,543.70, 366,445.68 and 144,685.99
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Solution
The fourth proportional to 265,543.70, 366,445.68 and 144,685.99 is: 199,664.14
Step by Step Solution
- Step 1: Write the proportion equation
265,543.70 : 366,445.68 = 144,685.99 : x - Step 2: Convert to fraction form
265,543.70/366,445.68 = 144,685.99/x - Step 3: Cross multiply
265,543.70x = 366,445.68 × 144,685.99 - Step 4: Simplify right side
265,543.70x = 53,019,553,436.36 - Step 5: Solve for x
x = 53,019,553,436.36/265,543.70 - Step 6: Final answer
x = 199,664.14
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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.