Finding the Fourth Proportional to 170,438.20, 235,161.18 and 108,326.08
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Solution
The fourth proportional to 170,438.20, 235,161.18 and 108,326.08 is: 149,462.32
Step by Step Solution
- Step 1: Write the proportion equation
170,438.20 : 235,161.18 = 108,326.08 : x - Step 2: Convert to fraction form
170,438.20/235,161.18 = 108,326.08/x - Step 3: Cross multiply
170,438.20x = 235,161.18 × 108,326.08 - Step 4: Simplify right side
170,438.20x = 25,474,088,797.57 - Step 5: Solve for x
x = 25,474,088,797.57/170,438.20 - Step 6: Final answer
x = 149,462.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.