Finding the Fourth Proportional to 208,946.10, 313,345.68 and 75,803.70
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Solution
The fourth proportional to 208,946.10, 313,345.68 and 75,803.70 is: 113,678.90
Step by Step Solution
- Step 1: Write the proportion equation
208,946.10 : 313,345.68 = 75,803.70 : x - Step 2: Convert to fraction form
208,946.10/313,345.68 = 75,803.70/x - Step 3: Cross multiply
208,946.10x = 313,345.68 × 75,803.70 - Step 4: Simplify right side
208,946.10x = 23,752,761,923.02 - Step 5: Solve for x
x = 23,752,761,923.02/208,946.10 - Step 6: Final answer
x = 113,678.90
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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.