Finding the Fourth Proportional to 168,408.12, 252,478.16 and 97,249.98
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Solution
The fourth proportional to 168,408.12, 252,478.16 and 97,249.98 is: 145,797.58
Step by Step Solution
- Step 1: Write the proportion equation
168,408.12 : 252,478.16 = 97,249.98 : x - Step 2: Convert to fraction form
168,408.12/252,478.16 = 97,249.98/x - Step 3: Cross multiply
168,408.12x = 252,478.16 × 97,249.98 - Step 4: Simplify right side
168,408.12x = 24,553,496,010.44 - Step 5: Solve for x
x = 24,553,496,010.44/168,408.12 - Step 6: Final answer
x = 145,797.58
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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.