Finding the Fourth Proportional to 354,163.44, 488,733.16 and 193,015.28
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Solution
The fourth proportional to 354,163.44, 488,733.16 and 193,015.28 is: 266,354.34
Step by Step Solution
- Step 1: Write the proportion equation
354,163.44 : 488,733.16 = 193,015.28 : x - Step 2: Convert to fraction form
354,163.44/488,733.16 = 193,015.28/x - Step 3: Cross multiply
354,163.44x = 488,733.16 × 193,015.28 - Step 4: Simplify right side
354,163.44x = 94,332,967,722.68 - Step 5: Solve for x
x = 94,332,967,722.68/354,163.44 - Step 6: Final answer
x = 266,354.34
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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.