Finding the Fourth Proportional to 395,791.74, 546,191.19 and 214,508.07
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Solution
The fourth proportional to 395,791.74, 546,191.19 and 214,508.07 is: 296,020.37
Step by Step Solution
- Step 1: Write the proportion equation
395,791.74 : 546,191.19 = 214,508.07 : x - Step 2: Convert to fraction form
395,791.74/546,191.19 = 214,508.07/x - Step 3: Cross multiply
395,791.74x = 546,191.19 × 214,508.07 - Step 4: Simplify right side
395,791.74x = 117,162,418,017.90 - Step 5: Solve for x
x = 117,162,418,017.90/395,791.74 - Step 6: Final answer
x = 296,020.37
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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.