Finding the Fourth Proportional to 449,555.18, 674,664.60 and 212,897.48
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Solution
The fourth proportional to 449,555.18, 674,664.60 and 212,897.48 is: 319,503.37
Step by Step Solution
- Step 1: Write the proportion equation
449,555.18 : 674,664.60 = 212,897.48 : x - Step 2: Convert to fraction form
449,555.18/674,664.60 = 212,897.48/x - Step 3: Cross multiply
449,555.18x = 674,664.60 × 212,897.48 - Step 4: Simplify right side
449,555.18x = 143,634,393,185.21 - Step 5: Solve for x
x = 143,634,393,185.21/449,555.18 - Step 6: Final answer
x = 319,503.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.