Finding the Fourth Proportional to 168,135.62, 252,489.11 and 112,334.31
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Solution
The fourth proportional to 168,135.62, 252,489.11 and 112,334.31 is: 168,692.33
Step by Step Solution
- Step 1: Write the proportion equation
168,135.62 : 252,489.11 = 112,334.31 : x - Step 2: Convert to fraction form
168,135.62/252,489.11 = 112,334.31/x - Step 3: Cross multiply
168,135.62x = 252,489.11 × 112,334.31 - Step 4: Simplify right side
168,135.62x = 28,363,189,392.69 - Step 5: Solve for x
x = 28,363,189,392.69/168,135.62 - Step 6: Final answer
x = 168,692.33
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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.