Finding the Fourth Proportional to 355,216.68, 490,199.36 and 194,074.36
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Solution
The fourth proportional to 355,216.68, 490,199.36 and 194,074.36 is: 267,822.80
Step by Step Solution
- Step 1: Write the proportion equation
355,216.68 : 490,199.36 = 194,074.36 : x - Step 2: Convert to fraction form
355,216.68/490,199.36 = 194,074.36/x - Step 3: Cross multiply
355,216.68x = 490,199.36 × 194,074.36 - Step 4: Simplify right side
355,216.68x = 95,135,127,064.41 - Step 5: Solve for x
x = 95,135,127,064.41/355,216.68 - Step 6: Final answer
x = 267,822.80
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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.