Finding the Fourth Proportional to 171,825.20, 257,737.80 and 162,639.80
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Solution
The fourth proportional to 171,825.20, 257,737.80 and 162,639.80 is: 243,959.70
Step by Step Solution
- Step 1: Write the proportion equation
171,825.20 : 257,737.80 = 162,639.80 : x - Step 2: Convert to fraction form
171,825.20/257,737.80 = 162,639.80/x - Step 3: Cross multiply
171,825.20x = 257,737.80 × 162,639.80 - Step 4: Simplify right side
171,825.20x = 41,918,424,244.44 - Step 5: Solve for x
x = 41,918,424,244.44/171,825.20 - Step 6: Final answer
x = 243,959.70
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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.