Finding the Fourth Proportional to 303,535.18, 418,867.55 and 167,566.20
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Solution
The fourth proportional to 303,535.18, 418,867.55 and 167,566.20 is: 231,235.28
Step by Step Solution
- Step 1: Write the proportion equation
303,535.18 : 418,867.55 = 167,566.20 : x - Step 2: Convert to fraction form
303,535.18/418,867.55 = 167,566.20/x - Step 3: Cross multiply
303,535.18x = 418,867.55 × 167,566.20 - Step 4: Simplify right side
303,535.18x = 70,188,042,818.98 - Step 5: Solve for x
x = 70,188,042,818.98/303,535.18 - Step 6: Final answer
x = 231,235.28
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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.