Finding the Fourth Proportional to 824,101.12, 1,236,163.20 and 233,125.12
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Solution
The fourth proportional to 824,101.12, 1,236,163.20 and 233,125.12 is: 349,690.94
Step by Step Solution
- Step 1: Write the proportion equation
824,101.12 : 1,236,163.20 = 233,125.12 : x - Step 2: Convert to fraction form
824,101.12/1,236,163.20 = 233,125.12/x - Step 3: Cross multiply
824,101.12x = 1,236,163.20 × 233,125.12 - Step 4: Simplify right side
824,101.12x = 288,180,694,339.58 - Step 5: Solve for x
x = 288,180,694,339.58/824,101.12 - Step 6: Final answer
x = 349,690.94
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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.