Finding the Fourth Proportional to 395,107.00, 545,247.62 and 213,818.92
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Solution
The fourth proportional to 395,107.00, 545,247.62 and 213,818.92 is: 295,070.09
Step by Step Solution
- Step 1: Write the proportion equation
395,107.00 : 545,247.62 = 213,818.92 : x - Step 2: Convert to fraction form
395,107.00/545,247.62 = 213,818.92/x - Step 3: Cross multiply
395,107.00x = 545,247.62 × 213,818.92 - Step 4: Simplify right side
395,107.00x = 116,584,258,677.60 - Step 5: Solve for x
x = 116,584,258,677.60/395,107.00 - Step 6: Final answer
x = 295,070.09
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1.5x scale
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.