Finding the Fourth Proportional to 295,955.62, 408,420.33 and 161,819.62
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Solution
The fourth proportional to 295,955.62, 408,420.33 and 161,819.62 is: 223,311.94
Step by Step Solution
- Step 1: Write the proportion equation
295,955.62 : 408,420.33 = 161,819.62 : x - Step 2: Convert to fraction form
295,955.62/408,420.33 = 161,819.62/x - Step 3: Cross multiply
295,955.62x = 408,420.33 × 161,819.62 - Step 4: Simplify right side
295,955.62x = 66,090,422,600.87 - Step 5: Solve for x
x = 66,090,422,600.87/295,955.62 - Step 6: Final answer
x = 223,311.94
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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.