Finding the Fourth Proportional to 211,227.75, 316,433.33 and 117,449.19
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Solution
The fourth proportional to 211,227.75, 316,433.33 and 117,449.19 is: 175,946.75
Step by Step Solution
- Step 1: Write the proportion equation
211,227.75 : 316,433.33 = 117,449.19 : x - Step 2: Convert to fraction form
211,227.75/316,433.33 = 117,449.19/x - Step 3: Cross multiply
211,227.75x = 316,433.33 × 117,449.19 - Step 4: Simplify right side
211,227.75x = 37,164,836,128.09 - Step 5: Solve for x
x = 37,164,836,128.09/211,227.75 - Step 6: Final answer
x = 175,946.75
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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.