Finding the Fourth Proportional to 579,805.26, 869,789.93 and 180,486.39
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Solution
The fourth proportional to 579,805.26, 869,789.93 and 180,486.39 is: 270,755.12
Step by Step Solution
- Step 1: Write the proportion equation
579,805.26 : 869,789.93 = 180,486.39 : x - Step 2: Convert to fraction form
579,805.26/869,789.93 = 180,486.39/x - Step 3: Cross multiply
579,805.26x = 869,789.93 × 180,486.39 - Step 4: Simplify right side
579,805.26x = 156,985,244,524.05 - Step 5: Solve for x
x = 156,985,244,524.05/579,805.26 - Step 6: Final answer
x = 270,755.12
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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.