Finding the Fourth Proportional to 171,471.98, 257,373.66 and 82,787.96
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Solution
The fourth proportional to 171,471.98, 257,373.66 and 82,787.96 is: 124,261.94
Step by Step Solution
- Step 1: Write the proportion equation
171,471.98 : 257,373.66 = 82,787.96 : x - Step 2: Convert to fraction form
171,471.98/257,373.66 = 82,787.96/x - Step 3: Cross multiply
171,471.98x = 257,373.66 × 82,787.96 - Step 4: Simplify right side
171,471.98x = 21,307,440,269.13 - Step 5: Solve for x
x = 21,307,440,269.13/171,471.98 - Step 6: Final answer
x = 124,261.94
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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.