Finding the Fourth Proportional to 263,989.07, 364,283.15 and 149,279.44
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Solution
The fourth proportional to 263,989.07, 364,283.15 and 149,279.44 is: 205,993.32
Step by Step Solution
- Step 1: Write the proportion equation
263,989.07 : 364,283.15 = 149,279.44 : x - Step 2: Convert to fraction form
263,989.07/364,283.15 = 149,279.44/x - Step 3: Cross multiply
263,989.07x = 364,283.15 × 149,279.44 - Step 4: Simplify right side
263,989.07x = 54,379,984,633.44 - Step 5: Solve for x
x = 54,379,984,633.44/263,989.07 - Step 6: Final answer
x = 205,993.32
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1.5x scale
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.