Finding the Fourth Proportional to 395,392.92, 545,642.48 and 214,106.28
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Solution
The fourth proportional to 395,392.92, 545,642.48 and 214,106.28 is: 295,466.80
Step by Step Solution
- Step 1: Write the proportion equation
395,392.92 : 545,642.48 = 214,106.28 : x - Step 2: Convert to fraction form
395,392.92/545,642.48 = 214,106.28/x - Step 3: Cross multiply
395,392.92x = 545,642.48 × 214,106.28 - Step 4: Simplify right side
395,392.92x = 116,825,481,602.77 - Step 5: Solve for x
x = 116,825,481,602.77/395,392.92 - Step 6: Final answer
x = 295,466.80
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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.