Finding the Fourth Proportional to 194,247.64, 291,405.62 and 80,395.12
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Solution
The fourth proportional to 194,247.64, 291,405.62 and 80,395.12 is: 120,606.82
Step by Step Solution
- Step 1: Write the proportion equation
194,247.64 : 291,405.62 = 80,395.12 : x - Step 2: Convert to fraction form
194,247.64/291,405.62 = 80,395.12/x - Step 3: Cross multiply
194,247.64x = 291,405.62 × 80,395.12 - Step 4: Simplify right side
194,247.64x = 23,427,589,788.57 - Step 5: Solve for x
x = 23,427,589,788.57/194,247.64 - Step 6: Final answer
x = 120,606.82
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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.