Finding the Fourth Proportional to 149,315.08, 206,054.70 and 82,247.08
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Solution
The fourth proportional to 149,315.08, 206,054.70 and 82,247.08 is: 113,500.91
Step by Step Solution
- Step 1: Write the proportion equation
149,315.08 : 206,054.70 = 82,247.08 : x - Step 2: Convert to fraction form
149,315.08/206,054.70 = 82,247.08/x - Step 3: Cross multiply
149,315.08x = 206,054.70 × 82,247.08 - Step 4: Simplify right side
149,315.08x = 16,947,397,395.28 - Step 5: Solve for x
x = 16,947,397,395.28/149,315.08 - Step 6: Final answer
x = 113,500.91
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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.