Finding the Fourth Proportional to 252,433.02, 378,687.21 and 74,919.06
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Solution
The fourth proportional to 252,433.02, 378,687.21 and 74,919.06 is: 112,389.77
Step by Step Solution
- Step 1: Write the proportion equation
252,433.02 : 378,687.21 = 74,919.06 : x - Step 2: Convert to fraction form
252,433.02/378,687.21 = 74,919.06/x - Step 3: Cross multiply
252,433.02x = 378,687.21 × 74,919.06 - Step 4: Simplify right side
252,433.02x = 28,370,889,807.22 - Step 5: Solve for x
x = 28,370,889,807.22/252,433.02 - Step 6: Final answer
x = 112,389.77
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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.