Finding the Fourth Proportional to 355,313.84, 490,339.53 and 194,175.68
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Solution
The fourth proportional to 355,313.84, 490,339.53 and 194,175.68 is: 267,965.95
Step by Step Solution
- Step 1: Write the proportion equation
355,313.84 : 490,339.53 = 194,175.68 : x - Step 2: Convert to fraction form
355,313.84/490,339.53 = 194,175.68/x - Step 3: Cross multiply
355,313.84x = 490,339.53 × 194,175.68 - Step 4: Simplify right side
355,313.84x = 95,212,009,216.93 - Step 5: Solve for x
x = 95,212,009,216.93/355,313.84 - Step 6: Final answer
x = 267,965.95
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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.