Finding the Fourth Proportional to 488,690.68, 674,359.12 and 270,897.26
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Solution
The fourth proportional to 488,690.68, 674,359.12 and 270,897.26 is: 373,819.37
Step by Step Solution
- Step 1: Write the proportion equation
488,690.68 : 674,359.12 = 270,897.26 : x - Step 2: Convert to fraction form
488,690.68/674,359.12 = 270,897.26/x - Step 3: Cross multiply
488,690.68x = 674,359.12 × 270,897.26 - Step 4: Simplify right side
488,690.68x = 182,682,041,614.98 - Step 5: Solve for x
x = 182,682,041,614.98/488,690.68 - Step 6: Final answer
x = 373,819.37
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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.