Finding the Fourth Proportional to 313,821.06, 470,467.02 and 136,194.26
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Solution
The fourth proportional to 313,821.06, 470,467.02 and 136,194.26 is: 204,176.57
Step by Step Solution
- Step 1: Write the proportion equation
313,821.06 : 470,467.02 = 136,194.26 : x - Step 2: Convert to fraction form
313,821.06/470,467.02 = 136,194.26/x - Step 3: Cross multiply
313,821.06x = 470,467.02 × 136,194.26 - Step 4: Simplify right side
313,821.06x = 64,074,907,643.31 - Step 5: Solve for x
x = 64,074,907,643.31/313,821.06 - Step 6: Final answer
x = 204,176.57
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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.