Finding the Fourth Proportional to 213,144.99, 294,140.12 and 117,651.71
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Solution
The fourth proportional to 213,144.99, 294,140.12 and 117,651.71 is: 162,359.37
Step by Step Solution
- Step 1: Write the proportion equation
213,144.99 : 294,140.12 = 117,651.71 : x - Step 2: Convert to fraction form
213,144.99/294,140.12 = 117,651.71/x - Step 3: Cross multiply
213,144.99x = 294,140.12 × 117,651.71 - Step 4: Simplify right side
213,144.99x = 34,606,086,038.65 - Step 5: Solve for x
x = 34,606,086,038.65/213,144.99 - Step 6: Final answer
x = 162,359.37
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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.