Finding the Fourth Proportional to 177,731.91, 266,671.97 and 77,963.70
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Solution
The fourth proportional to 177,731.91, 266,671.97 and 77,963.70 is: 116,978.05
Step by Step Solution
- Step 1: Write the proportion equation
177,731.91 : 266,671.97 = 77,963.70 : x - Step 2: Convert to fraction form
177,731.91/266,671.97 = 77,963.70/x - Step 3: Cross multiply
177,731.91x = 266,671.97 × 77,963.70 - Step 4: Simplify right side
177,731.91x = 20,790,733,077.67 - Step 5: Solve for x
x = 20,790,733,077.67/177,731.91 - Step 6: Final answer
x = 116,978.05
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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.