Finding the Fourth Proportional to 449,555.68, 674,665.35 and 212,897.98
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Solution
The fourth proportional to 449,555.68, 674,665.35 and 212,897.98 is: 319,504.12
Step by Step Solution
- Step 1: Write the proportion equation
449,555.68 : 674,665.35 = 212,897.98 : x - Step 2: Convert to fraction form
449,555.68/674,665.35 = 212,897.98/x - Step 3: Cross multiply
449,555.68x = 674,665.35 × 212,897.98 - Step 4: Simplify right side
449,555.68x = 143,634,890,190.99 - Step 5: Solve for x
x = 143,634,890,190.99/449,555.68 - Step 6: Final answer
x = 319,504.12
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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.