Finding the Fourth Proportional to 213,022.71, 293,963.18 and 117,527.76
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Solution
The fourth proportional to 213,022.71, 293,963.18 and 117,527.76 is: 162,183.80
Step by Step Solution
- Step 1: Write the proportion equation
213,022.71 : 293,963.18 = 117,527.76 : x - Step 2: Convert to fraction form
213,022.71/293,963.18 = 117,527.76/x - Step 3: Cross multiply
213,022.71x = 293,963.18 × 117,527.76 - Step 4: Simplify right side
213,022.71x = 34,548,833,480.24 - Step 5: Solve for x
x = 34,548,833,480.24/213,022.71 - Step 6: Final answer
x = 162,183.80
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1.5x scale
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.