Finding the Fourth Proportional to 208,548.99, 312,841.94 and 58,790.61
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Solution
The fourth proportional to 208,548.99, 312,841.94 and 58,790.61 is: 88,191.12
Step by Step Solution
- Step 1: Write the proportion equation
208,548.99 : 312,841.94 = 58,790.61 : x - Step 2: Convert to fraction form
208,548.99/312,841.94 = 58,790.61/x - Step 3: Cross multiply
208,548.99x = 312,841.94 × 58,790.61 - Step 4: Simplify right side
208,548.99x = 18,392,168,192.23 - Step 5: Solve for x
x = 18,392,168,192.23/208,548.99 - Step 6: Final answer
x = 88,191.12
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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.