Finding the Fourth Proportional to 149,149.42, 223,759.18 and 49,309.62
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Solution
The fourth proportional to 149,149.42, 223,759.18 and 49,309.62 is: 73,976.02
Step by Step Solution
- Step 1: Write the proportion equation
149,149.42 : 223,759.18 = 49,309.62 : x - Step 2: Convert to fraction form
149,149.42/223,759.18 = 49,309.62/x - Step 3: Cross multiply
149,149.42x = 223,759.18 × 49,309.62 - Step 4: Simplify right side
149,149.42x = 11,033,480,137.31 - Step 5: Solve for x
x = 11,033,480,137.31/149,149.42 - Step 6: Final answer
x = 73,976.02
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1.5x scale
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.