Finding the Fourth Proportional to 176,511.59, 264,841.21 and 76,755.70
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Solution
The fourth proportional to 176,511.59, 264,841.21 and 76,755.70 is: 115,165.66
Step by Step Solution
- Step 1: Write the proportion equation
176,511.59 : 264,841.21 = 76,755.70 : x - Step 2: Convert to fraction form
176,511.59/264,841.21 = 76,755.70/x - Step 3: Cross multiply
176,511.59x = 264,841.21 × 76,755.70 - Step 4: Simplify right side
176,511.59x = 20,328,072,889.39 - Step 5: Solve for x
x = 20,328,072,889.39/176,511.59 - Step 6: Final answer
x = 115,165.66
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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.