Finding the Fourth Proportional to 255,546.03, 352,655.84 and 140,828.78
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Solution
The fourth proportional to 255,546.03, 352,655.84 and 140,828.78 is: 194,344.99
Step by Step Solution
- Step 1: Write the proportion equation
255,546.03 : 352,655.84 = 140,828.78 : x - Step 2: Convert to fraction form
255,546.03/352,655.84 = 140,828.78/x - Step 3: Cross multiply
255,546.03x = 352,655.84 × 140,828.78 - Step 4: Simplify right side
255,546.03x = 49,664,091,707.08 - Step 5: Solve for x
x = 49,664,091,707.08/255,546.03 - Step 6: Final answer
x = 194,344.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.