Finding the Fourth Proportional to 479,640.39, 661,886.37 and 264,775.84
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Solution
The fourth proportional to 479,640.39, 661,886.37 and 264,775.84 is: 365,381.07
Step by Step Solution
- Step 1: Write the proportion equation
479,640.39 : 661,886.37 = 264,775.84 : x - Step 2: Convert to fraction form
479,640.39/661,886.37 = 264,775.84/x - Step 3: Cross multiply
479,640.39x = 661,886.37 × 264,775.84 - Step 4: Simplify right side
479,640.39x = 175,251,519,601.30 - Step 5: Solve for x
x = 175,251,519,601.30/479,640.39 - Step 6: Final answer
x = 365,381.07
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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.