Finding the Fourth Proportional to 395,093.48, 545,228.99 and 213,805.41
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Solution
The fourth proportional to 395,093.48, 545,228.99 and 213,805.41 is: 295,051.46
Step by Step Solution
- Step 1: Write the proportion equation
395,093.48 : 545,228.99 = 213,805.41 : x - Step 2: Convert to fraction form
395,093.48/545,228.99 = 213,805.41/x - Step 3: Cross multiply
395,093.48x = 545,228.99 × 213,805.41 - Step 4: Simplify right side
395,093.48x = 116,572,907,750.84 - Step 5: Solve for x
x = 116,572,907,750.84/395,093.48 - Step 6: Final answer
x = 295,051.46
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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.