Finding the Fourth Proportional to 243,255.62, 364,918.26 and 74,790.09
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Solution
The fourth proportional to 243,255.62, 364,918.26 and 74,790.09 is: 112,195.85
Step by Step Solution
- Step 1: Write the proportion equation
243,255.62 : 364,918.26 = 74,790.09 : x - Step 2: Convert to fraction form
243,255.62/364,918.26 = 74,790.09/x - Step 3: Cross multiply
243,255.62x = 364,918.26 × 74,790.09 - Step 4: Simplify right side
243,255.62x = 27,292,270,596.02 - Step 5: Solve for x
x = 27,292,270,596.02/243,255.62 - Step 6: Final answer
x = 112,195.85
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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.