Finding the Fourth Proportional to 213,147.62, 294,143.74 and 117,654.33
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Solution
The fourth proportional to 213,147.62, 294,143.74 and 117,654.33 is: 162,362.99
Step by Step Solution
- Step 1: Write the proportion equation
213,147.62 : 294,143.74 = 117,654.33 : x - Step 2: Convert to fraction form
213,147.62/294,143.74 = 117,654.33/x - Step 3: Cross multiply
213,147.62x = 294,143.74 × 117,654.33 - Step 4: Simplify right side
213,147.62x = 34,607,284,359.26 - Step 5: Solve for x
x = 34,607,284,359.26/213,147.62 - Step 6: Final answer
x = 162,362.99
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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.