Finding the Fourth Proportional to 157,620.53, 217,548.70 and 96,377.19
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Solution
The fourth proportional to 157,620.53, 217,548.70 and 96,377.19 is: 133,020.31
Step by Step Solution
- Step 1: Write the proportion equation
157,620.53 : 217,548.70 = 96,377.19 : x - Step 2: Convert to fraction form
157,620.53/217,548.70 = 96,377.19/x - Step 3: Cross multiply
157,620.53x = 217,548.70 × 96,377.19 - Step 4: Simplify right side
157,620.53x = 20,966,731,306.41 - Step 5: Solve for x
x = 20,966,731,306.41/157,620.53 - Step 6: Final answer
x = 133,020.31
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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.