Finding the Fourth Proportional to 313,939.04, 470,897.98 and 136,446.08
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Solution
The fourth proportional to 313,939.04, 470,897.98 and 136,446.08 is: 204,664.52
Step by Step Solution
- Step 1: Write the proportion equation
313,939.04 : 470,897.98 = 136,446.08 : x - Step 2: Convert to fraction form
313,939.04/470,897.98 = 136,446.08/x - Step 3: Cross multiply
313,939.04x = 470,897.98 × 136,446.08 - Step 4: Simplify right side
313,939.04x = 64,252,183,450.92 - Step 5: Solve for x
x = 64,252,183,450.92/313,939.04 - Step 6: Final answer
x = 204,664.52
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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.