Finding the Fourth Proportional to 243,256.62, 364,919.76 and 74,791.09
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Solution
The fourth proportional to 243,256.62, 364,919.76 and 74,791.09 is: 112,197.34
Step by Step Solution
- Step 1: Write the proportion equation
243,256.62 : 364,919.76 = 74,791.09 : x - Step 2: Convert to fraction form
243,256.62/364,919.76 = 74,791.09/x - Step 3: Cross multiply
243,256.62x = 364,919.76 × 74,791.09 - Step 4: Simplify right side
243,256.62x = 27,292,746,612.94 - Step 5: Solve for x
x = 27,292,746,612.94/243,256.62 - Step 6: Final answer
x = 112,197.34
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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.