Finding the Fourth Proportional to 149,230.36, 206,037.12 and 114,713.92
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Solution
The fourth proportional to 149,230.36, 206,037.12 and 114,713.92 is: 158,381.48
Step by Step Solution
- Step 1: Write the proportion equation
149,230.36 : 206,037.12 = 114,713.92 : x - Step 2: Convert to fraction form
149,230.36/206,037.12 = 114,713.92/x - Step 3: Cross multiply
149,230.36x = 206,037.12 × 114,713.92 - Step 4: Simplify right side
149,230.36x = 23,635,325,700.71 - Step 5: Solve for x
x = 23,635,325,700.71/149,230.36 - Step 6: Final answer
x = 158,381.48
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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.