Finding the Fourth Proportional to 449,283.26, 673,591.98 and 212,349.08
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Solution
The fourth proportional to 449,283.26, 673,591.98 and 212,349.08 is: 318,366.27
Step by Step Solution
- Step 1: Write the proportion equation
449,283.26 : 673,591.98 = 212,349.08 : x - Step 2: Convert to fraction form
449,283.26/673,591.98 = 212,349.08/x - Step 3: Cross multiply
449,283.26x = 673,591.98 × 212,349.08 - Step 4: Simplify right side
449,283.26x = 143,036,637,248.38 - Step 5: Solve for x
x = 143,036,637,248.38/449,283.26 - Step 6: Final answer
x = 318,366.27
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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.