Finding the Fourth Proportional to 355,254.18, 490,236.18 and 194,114.76
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Solution
The fourth proportional to 355,254.18, 490,236.18 and 194,114.76 is: 267,870.40
Step by Step Solution
- Step 1: Write the proportion equation
355,254.18 : 490,236.18 = 194,114.76 : x - Step 2: Convert to fraction form
355,254.18/490,236.18 = 194,114.76/x - Step 3: Cross multiply
355,254.18x = 490,236.18 × 194,114.76 - Step 4: Simplify right side
355,254.18x = 95,162,078,424.02 - Step 5: Solve for x
x = 95,162,078,424.02/355,254.18 - Step 6: Final answer
x = 267,870.40
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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.