Finding the Fourth Proportional to 194,449.23, 291,649.21 and 76,203.60
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Solution
The fourth proportional to 194,449.23, 291,649.21 and 76,203.60 is: 114,295.75
Step by Step Solution
- Step 1: Write the proportion equation
194,449.23 : 291,649.21 = 76,203.60 : x - Step 2: Convert to fraction form
194,449.23/291,649.21 = 76,203.60/x - Step 3: Cross multiply
194,449.23x = 291,649.21 × 76,203.60 - Step 4: Simplify right side
194,449.23x = 22,224,719,739.16 - Step 5: Solve for x
x = 22,224,719,739.16/194,449.23 - Step 6: Final answer
x = 114,295.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.