Finding the Fourth Proportional to 278,161.36, 383,855.88 and 150,833.68
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Solution
The fourth proportional to 278,161.36, 383,855.88 and 150,833.68 is: 208,146.79
Step by Step Solution
- Step 1: Write the proportion equation
278,161.36 : 383,855.88 = 150,833.68 : x - Step 2: Convert to fraction form
278,161.36/383,855.88 = 150,833.68/x - Step 3: Cross multiply
278,161.36x = 383,855.88 × 150,833.68 - Step 4: Simplify right side
278,161.36x = 57,898,394,970.04 - Step 5: Solve for x
x = 57,898,394,970.04/278,161.36 - Step 6: Final answer
x = 208,146.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.