Finding the Fourth Proportional to 122,408.31, 183,591.30 and 32,451.62
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Solution
The fourth proportional to 122,408.31, 183,591.30 and 32,451.62 is: 48,671.82
Step by Step Solution
- Step 1: Write the proportion equation
122,408.31 : 183,591.30 = 32,451.62 : x - Step 2: Convert to fraction form
122,408.31/183,591.30 = 32,451.62/x - Step 3: Cross multiply
122,408.31x = 183,591.30 × 32,451.62 - Step 4: Simplify right side
122,408.31x = 5,957,835,102.91 - Step 5: Solve for x
x = 5,957,835,102.91/122,408.31 - Step 6: Final answer
x = 48,671.82
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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.