Finding the Fourth Proportional to 354,145.14, 488,664.42 and 199,065.84
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Solution
The fourth proportional to 354,145.14, 488,664.42 and 199,065.84 is: 274,679.45
Step by Step Solution
- Step 1: Write the proportion equation
354,145.14 : 488,664.42 = 199,065.84 : x - Step 2: Convert to fraction form
354,145.14/488,664.42 = 199,065.84/x - Step 3: Cross multiply
354,145.14x = 488,664.42 × 199,065.84 - Step 4: Simplify right side
354,145.14x = 97,276,393,245.41 - Step 5: Solve for x
x = 97,276,393,245.41/354,145.14 - Step 6: Final answer
x = 274,679.45
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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.