Finding the Fourth Proportional to 481,403.10, 664,357.05 and 266,543.19
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Solution
The fourth proportional to 481,403.10, 664,357.05 and 266,543.19 is: 367,841.10
Step by Step Solution
- Step 1: Write the proportion equation
481,403.10 : 664,357.05 = 266,543.19 : x - Step 2: Convert to fraction form
481,403.10/664,357.05 = 266,543.19/x - Step 3: Cross multiply
481,403.10x = 664,357.05 × 266,543.19 - Step 4: Simplify right side
481,403.10x = 177,079,847,405.99 - Step 5: Solve for x
x = 177,079,847,405.99/481,403.10 - Step 6: Final answer
x = 367,841.10
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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.