Finding the Fourth Proportional to 335,827.62, 503,686.76 and 136,139.94
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Solution
The fourth proportional to 335,827.62, 503,686.76 and 136,139.94 is: 204,187.75
Step by Step Solution
- Step 1: Write the proportion equation
335,827.62 : 503,686.76 = 136,139.94 : x - Step 2: Convert to fraction form
335,827.62/503,686.76 = 136,139.94/x - Step 3: Cross multiply
335,827.62x = 503,686.76 × 136,139.94 - Step 4: Simplify right side
335,827.62x = 68,571,884,604.49 - Step 5: Solve for x
x = 68,571,884,604.49/335,827.62 - Step 6: Final answer
x = 204,187.75
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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.