Finding the Fourth Proportional to 218,045.70, 326,825.55 and 84,881.70
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Solution
The fourth proportional to 218,045.70, 326,825.55 and 84,881.70 is: 127,227.95
Step by Step Solution
- Step 1: Write the proportion equation
218,045.70 : 326,825.55 = 84,881.70 : x - Step 2: Convert to fraction form
218,045.70/326,825.55 = 84,881.70/x - Step 3: Cross multiply
218,045.70x = 326,825.55 × 84,881.70 - Step 4: Simplify right side
218,045.70x = 27,741,508,287.44 - Step 5: Solve for x
x = 27,741,508,287.44/218,045.70 - Step 6: Final answer
x = 127,227.95
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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.