Finding the Fourth Proportional to 216,668.88, 324,955.26 and 157,532.40
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Solution
The fourth proportional to 216,668.88, 324,955.26 and 157,532.40 is: 236,263.66
Step by Step Solution
- Step 1: Write the proportion equation
216,668.88 : 324,955.26 = 157,532.40 : x - Step 2: Convert to fraction form
216,668.88/324,955.26 = 157,532.40/x - Step 3: Cross multiply
216,668.88x = 324,955.26 × 157,532.40 - Step 4: Simplify right side
216,668.88x = 51,190,982,000.42 - Step 5: Solve for x
x = 51,190,982,000.42/216,668.88 - Step 6: Final answer
x = 236,263.66
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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.