Finding the Fourth Proportional to 217,041.80, 325,559.66 and 131,672.99
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Solution
The fourth proportional to 217,041.80, 325,559.66 and 131,672.99 is: 197,507.65
Step by Step Solution
- Step 1: Write the proportion equation
217,041.80 : 325,559.66 = 131,672.99 : x - Step 2: Convert to fraction form
217,041.80/325,559.66 = 131,672.99/x - Step 3: Cross multiply
217,041.80x = 325,559.66 × 131,672.99 - Step 4: Simplify right side
217,041.80x = 42,867,414,011.12 - Step 5: Solve for x
x = 42,867,414,011.12/217,041.80 - Step 6: Final answer
x = 197,507.65
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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.