Finding the Fourth Proportional to 194,613.10, 291,919.65 and 185,427.70
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Solution
The fourth proportional to 194,613.10, 291,919.65 and 185,427.70 is: 278,141.55
Step by Step Solution
- Step 1: Write the proportion equation
194,613.10 : 291,919.65 = 185,427.70 : x - Step 2: Convert to fraction form
194,613.10/291,919.65 = 185,427.70/x - Step 3: Cross multiply
194,613.10x = 291,919.65 × 185,427.70 - Step 4: Simplify right side
194,613.10x = 54,129,989,284.31 - Step 5: Solve for x
x = 54,129,989,284.31/194,613.10 - Step 6: Final answer
x = 278,141.55
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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.