Finding the Fourth Proportional to 496,408.09, 744,489.11 and 141,425.19
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Solution
The fourth proportional to 496,408.09, 744,489.11 and 141,425.19 is: 212,102.73
Step by Step Solution
- Step 1: Write the proportion equation
496,408.09 : 744,489.11 = 141,425.19 : x - Step 2: Convert to fraction form
496,408.09/744,489.11 = 141,425.19/x - Step 3: Cross multiply
496,408.09x = 744,489.11 × 141,425.19 - Step 4: Simplify right side
496,408.09x = 105,289,510,465.80 - Step 5: Solve for x
x = 105,289,510,465.80/496,408.09 - Step 6: Final answer
x = 212,102.73
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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.