Finding the Fourth Proportional to 296,389.77, 444,584.97 and 138,728.94
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Solution
The fourth proportional to 296,389.77, 444,584.97 and 138,728.94 is: 208,093.55
Step by Step Solution
- Step 1: Write the proportion equation
296,389.77 : 444,584.97 = 138,728.94 : x - Step 2: Convert to fraction form
296,389.77/444,584.97 = 138,728.94/x - Step 3: Cross multiply
296,389.77x = 444,584.97 × 138,728.94 - Step 4: Simplify right side
296,389.77x = 61,676,799,960.84 - Step 5: Solve for x
x = 61,676,799,960.84/296,389.77 - Step 6: Final answer
x = 208,093.55
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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.