Finding the Fourth Proportional to 355,259.14, 490,261.05 and 194,114.18
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Solution
The fourth proportional to 355,259.14, 490,261.05 and 194,114.18 is: 267,879.45
Step by Step Solution
- Step 1: Write the proportion equation
355,259.14 : 490,261.05 = 194,114.18 : x - Step 2: Convert to fraction form
355,259.14/490,261.05 = 194,114.18/x - Step 3: Cross multiply
355,259.14x = 490,261.05 × 194,114.18 - Step 4: Simplify right side
355,259.14x = 95,166,621,706.69 - Step 5: Solve for x
x = 95,166,621,706.69/355,259.14 - Step 6: Final answer
x = 267,879.45
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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.