Finding the Fourth Proportional to 213,453.99, 294,566.79 and 117,960.71
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Solution
The fourth proportional to 213,453.99, 294,566.79 and 117,960.71 is: 162,785.94
Step by Step Solution
- Step 1: Write the proportion equation
213,453.99 : 294,566.79 = 117,960.71 : x - Step 2: Convert to fraction form
213,453.99/294,566.79 = 117,960.71/x - Step 3: Cross multiply
213,453.99x = 294,566.79 × 117,960.71 - Step 4: Simplify right side
213,453.99x = 34,747,307,690.82 - Step 5: Solve for x
x = 34,747,307,690.82/213,453.99 - Step 6: Final answer
x = 162,785.94
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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.