Finding the Fourth Proportional to 149,558.98, 206,149.62 and 130,128.26
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Solution
The fourth proportional to 149,558.98, 206,149.62 and 130,128.26 is: 179,366.64
Step by Step Solution
- Step 1: Write the proportion equation
149,558.98 : 206,149.62 = 130,128.26 : x - Step 2: Convert to fraction form
149,558.98/206,149.62 = 130,128.26/x - Step 3: Cross multiply
149,558.98x = 206,149.62 × 130,128.26 - Step 4: Simplify right side
149,558.98x = 26,825,891,350.26 - Step 5: Solve for x
x = 26,825,891,350.26/149,558.98 - Step 6: Final answer
x = 179,366.64
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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.