Finding the Fourth Proportional to 292,740.75, 403,982.37 and 158,604.75
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Solution
The fourth proportional to 292,740.75, 403,982.37 and 158,604.75 is: 218,874.63
Step by Step Solution
- Step 1: Write the proportion equation
292,740.75 : 403,982.37 = 158,604.75 : x - Step 2: Convert to fraction form
292,740.75/403,982.37 = 158,604.75/x - Step 3: Cross multiply
292,740.75x = 403,982.37 × 158,604.75 - Step 4: Simplify right side
292,740.75x = 64,073,522,798.26 - Step 5: Solve for x
x = 64,073,522,798.26/292,740.75 - Step 6: Final answer
x = 218,874.63
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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.