Finding the Fourth Proportional to 304,721.01, 420,584.97 and 202,750.76
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Solution
The fourth proportional to 304,721.01, 420,584.97 and 202,750.76 is: 279,842.60
Step by Step Solution
- Step 1: Write the proportion equation
304,721.01 : 420,584.97 = 202,750.76 : x - Step 2: Convert to fraction form
304,721.01/420,584.97 = 202,750.76/x - Step 3: Cross multiply
304,721.01x = 420,584.97 × 202,750.76 - Step 4: Simplify right side
304,721.01x = 85,273,920,209.15 - Step 5: Solve for x
x = 85,273,920,209.15/304,721.01 - Step 6: Final answer
x = 279,842.60
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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.