Finding the Fourth Proportional to 282,945.70, 390,334.17 and 169,571.62
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Solution
The fourth proportional to 282,945.70, 390,334.17 and 169,571.62 is: 233,930.39
Step by Step Solution
- Step 1: Write the proportion equation
282,945.70 : 390,334.17 = 169,571.62 : x - Step 2: Convert to fraction form
282,945.70/390,334.17 = 169,571.62/x - Step 3: Cross multiply
282,945.70x = 390,334.17 × 169,571.62 - Step 4: Simplify right side
282,945.70x = 66,189,597,548.26 - Step 5: Solve for x
x = 66,189,597,548.26/282,945.70 - Step 6: Final answer
x = 233,930.39
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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.