Finding the Fourth Proportional to 171,787.80, 257,876.10 and 101,706.60
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Solution
The fourth proportional to 171,787.80, 257,876.10 and 101,706.60 is: 152,674.99
Step by Step Solution
- Step 1: Write the proportion equation
171,787.80 : 257,876.10 = 101,706.60 : x - Step 2: Convert to fraction form
171,787.80/257,876.10 = 101,706.60/x - Step 3: Cross multiply
171,787.80x = 257,876.10 × 101,706.60 - Step 4: Simplify right side
171,787.80x = 26,227,701,352.26 - Step 5: Solve for x
x = 26,227,701,352.26/171,787.80 - Step 6: Final answer
x = 152,674.99
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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.