Finding the Fourth Proportional to 213,202.54, 294,218.68 and 117,708.53
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Solution
The fourth proportional to 213,202.54, 294,218.68 and 117,708.53 is: 162,437.32
Step by Step Solution
- Step 1: Write the proportion equation
213,202.54 : 294,218.68 = 117,708.53 : x - Step 2: Convert to fraction form
213,202.54/294,218.68 = 117,708.53/x - Step 3: Cross multiply
213,202.54x = 294,218.68 × 117,708.53 - Step 4: Simplify right side
213,202.54x = 34,632,048,321.34 - Step 5: Solve for x
x = 34,632,048,321.34/213,202.54 - Step 6: Final answer
x = 162,437.32
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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.