Finding the Fourth Proportional to 208,934.20, 313,283.62 and 66,746.08
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Solution
The fourth proportional to 208,934.20, 313,283.62 and 66,746.08 is: 100,081.53
Step by Step Solution
- Step 1: Write the proportion equation
208,934.20 : 313,283.62 = 66,746.08 : x - Step 2: Convert to fraction form
208,934.20/313,283.62 = 66,746.08/x - Step 3: Cross multiply
208,934.20x = 313,283.62 × 66,746.08 - Step 4: Simplify right side
208,934.20x = 20,910,453,563.21 - Step 5: Solve for x
x = 20,910,453,563.21/208,934.20 - Step 6: Final answer
x = 100,081.53
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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.