Finding the Fourth Proportional to 824,142.37, 1,236,246.47 and 255,582.52
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Solution
The fourth proportional to 824,142.37, 1,236,246.47 and 255,582.52 is: 383,383.99
Step by Step Solution
- Step 1: Write the proportion equation
824,142.37 : 1,236,246.47 = 255,582.52 : x - Step 2: Convert to fraction form
824,142.37/1,236,246.47 = 255,582.52/x - Step 3: Cross multiply
824,142.37x = 1,236,246.47 × 255,582.52 - Step 4: Simplify right side
824,142.37x = 315,962,988,143.70 - Step 5: Solve for x
x = 315,962,988,143.70/824,142.37 - Step 6: Final answer
x = 383,383.99
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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.