Finding the Fourth Proportional to 360,408.84, 496,791.63 and 283,806.42
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Solution
The fourth proportional to 360,408.84, 496,791.63 and 283,806.42 is: 391,201.99
Step by Step Solution
- Step 1: Write the proportion equation
360,408.84 : 496,791.63 = 283,806.42 : x - Step 2: Convert to fraction form
360,408.84/496,791.63 = 283,806.42/x - Step 3: Cross multiply
360,408.84x = 496,791.63 × 283,806.42 - Step 4: Simplify right side
360,408.84x = 140,992,653,996.27 - Step 5: Solve for x
x = 140,992,653,996.27/360,408.84 - Step 6: Final answer
x = 391,201.99
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1.5x scale
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.