Finding the Fourth Proportional to 185,761.13, 256,350.96 and 122,212.98
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Solution
The fourth proportional to 185,761.13, 256,350.96 and 122,212.98 is: 168,654.31
Step by Step Solution
- Step 1: Write the proportion equation
185,761.13 : 256,350.96 = 122,212.98 : x - Step 2: Convert to fraction form
185,761.13/256,350.96 = 122,212.98/x - Step 3: Cross multiply
185,761.13x = 256,350.96 × 122,212.98 - Step 4: Simplify right side
185,761.13x = 31,329,414,747.46 - Step 5: Solve for x
x = 31,329,414,747.46/185,761.13 - Step 6: Final answer
x = 168,654.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.