Finding the Fourth Proportional to 171,611.30, 257,465.55 and 53,294.60
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Solution
The fourth proportional to 171,611.30, 257,465.55 and 53,294.60 is: 79,956.99
Step by Step Solution
- Step 1: Write the proportion equation
171,611.30 : 257,465.55 = 53,294.60 : x - Step 2: Convert to fraction form
171,611.30/257,465.55 = 53,294.60/x - Step 3: Cross multiply
171,611.30x = 257,465.55 × 53,294.60 - Step 4: Simplify right side
171,611.30x = 13,721,523,501.03 - Step 5: Solve for x
x = 13,721,523,501.03/171,611.30 - Step 6: Final answer
x = 79,956.99
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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.