Finding the Fourth Proportional to 395,093.23, 545,228.69 and 213,805.17
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Solution
The fourth proportional to 395,093.23, 545,228.69 and 213,805.17 is: 295,051.15
Step by Step Solution
- Step 1: Write the proportion equation
395,093.23 : 545,228.69 = 213,805.17 : x - Step 2: Convert to fraction form
395,093.23/545,228.69 = 213,805.17/x - Step 3: Cross multiply
395,093.23x = 545,228.69 × 213,805.17 - Step 4: Simplify right side
395,093.23x = 116,572,712,136.29 - Step 5: Solve for x
x = 116,572,712,136.29/395,093.23 - Step 6: Final answer
x = 295,051.15
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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.