Finding the Fourth Proportional to 347,708.76, 479,821.50 and 213,546.84
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Solution
The fourth proportional to 347,708.76, 479,821.50 and 213,546.84 is: 294,684.45
Step by Step Solution
- Step 1: Write the proportion equation
347,708.76 : 479,821.50 = 213,546.84 : x - Step 2: Convert to fraction form
347,708.76/479,821.50 = 213,546.84/x - Step 3: Cross multiply
347,708.76x = 479,821.50 × 213,546.84 - Step 4: Simplify right side
347,708.76x = 102,464,365,089.06 - Step 5: Solve for x
x = 102,464,365,089.06/347,708.76 - Step 6: Final answer
x = 294,684.45
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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.