Finding the Fourth Proportional to 192,043.20, 287,408.70 and 168,423.60
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Solution
The fourth proportional to 192,043.20, 287,408.70 and 168,423.60 is: 252,059.99
Step by Step Solution
- Step 1: Write the proportion equation
192,043.20 : 287,408.70 = 168,423.60 : x - Step 2: Convert to fraction form
192,043.20/287,408.70 = 168,423.60/x - Step 3: Cross multiply
192,043.20x = 287,408.70 × 168,423.60 - Step 4: Simplify right side
192,043.20x = 48,406,407,925.32 - Step 5: Solve for x
x = 48,406,407,925.32/192,043.20 - Step 6: Final answer
x = 252,059.99
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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.