Finding the Fourth Proportional to 171,611.68, 257,414.76 and 53,283.14
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Solution
The fourth proportional to 171,611.68, 257,414.76 and 53,283.14 is: 79,923.84
Step by Step Solution
- Step 1: Write the proportion equation
171,611.68 : 257,414.76 = 53,283.14 : x - Step 2: Convert to fraction form
171,611.68/257,414.76 = 53,283.14/x - Step 3: Cross multiply
171,611.68x = 257,414.76 × 53,283.14 - Step 4: Simplify right side
171,611.68x = 13,715,865,408.07 - Step 5: Solve for x
x = 13,715,865,408.07/171,611.68 - Step 6: Final answer
x = 79,923.84
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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.