Finding the Fourth Proportional to 455,129.88, 682,634.88 and 135,274.92
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Solution
The fourth proportional to 455,129.88, 682,634.88 and 135,274.92 is: 202,894.56
Step by Step Solution
- Step 1: Write the proportion equation
455,129.88 : 682,634.88 = 135,274.92 : x - Step 2: Convert to fraction form
455,129.88/682,634.88 = 135,274.92/x - Step 3: Cross multiply
455,129.88x = 682,634.88 × 135,274.92 - Step 4: Simplify right side
455,129.88x = 92,343,378,781.21 - Step 5: Solve for x
x = 92,343,378,781.21/455,129.88 - Step 6: Final answer
x = 202,894.56
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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.