Finding the Fourth Proportional to 176,129.70, 264,194.55 and 141,137.70
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Solution
The fourth proportional to 176,129.70, 264,194.55 and 141,137.70 is: 211,706.55
Step by Step Solution
- Step 1: Write the proportion equation
176,129.70 : 264,194.55 = 141,137.70 : x - Step 2: Convert to fraction form
176,129.70/264,194.55 = 141,137.70/x - Step 3: Cross multiply
176,129.70x = 264,194.55 × 141,137.70 - Step 4: Simplify right side
176,129.70x = 37,287,811,139.54 - Step 5: Solve for x
x = 37,287,811,139.54/176,129.70 - Step 6: Final answer
x = 211,706.55
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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.