Finding the Fourth Proportional to 173,198.81, 239,149.51 and 132,848.66
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Solution
The fourth proportional to 173,198.81, 239,149.51 and 132,848.66 is: 183,434.81
Step by Step Solution
- Step 1: Write the proportion equation
173,198.81 : 239,149.51 = 132,848.66 : x - Step 2: Convert to fraction form
173,198.81/239,149.51 = 132,848.66/x - Step 3: Cross multiply
173,198.81x = 239,149.51 × 132,848.66 - Step 4: Simplify right side
173,198.81x = 31,770,690,415.29 - Step 5: Solve for x
x = 31,770,690,415.29/173,198.81 - Step 6: Final answer
x = 183,434.81
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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.