Finding the Fourth Proportional to 395,849.50, 546,306.87 and 217,036.06
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Solution
The fourth proportional to 395,849.50, 546,306.87 and 217,036.06 is: 299,528.71
Step by Step Solution
- Step 1: Write the proportion equation
395,849.50 : 546,306.87 = 217,036.06 : x - Step 2: Convert to fraction form
395,849.50/546,306.87 = 217,036.06/x - Step 3: Cross multiply
395,849.50x = 546,306.87 × 217,036.06 - Step 4: Simplify right side
395,849.50x = 118,568,290,615.73 - Step 5: Solve for x
x = 118,568,290,615.73/395,849.50 - Step 6: Final answer
x = 299,528.71
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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.