Finding the Fourth Proportional to 235,651.18, 353,219.70 and 115,790.62
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Solution
The fourth proportional to 235,651.18, 353,219.70 and 115,790.62 is: 173,559.61
Step by Step Solution
- Step 1: Write the proportion equation
235,651.18 : 353,219.70 = 115,790.62 : x - Step 2: Convert to fraction form
235,651.18/353,219.70 = 115,790.62/x - Step 3: Cross multiply
235,651.18x = 353,219.70 × 115,790.62 - Step 4: Simplify right side
235,651.18x = 40,899,528,059.21 - Step 5: Solve for x
x = 40,899,528,059.21/235,651.18 - Step 6: Final answer
x = 173,559.61
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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.