Finding the Fourth Proportional to 449,144.49, 620,041.68 and 277,157.19
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Solution
The fourth proportional to 449,144.49, 620,041.68 and 277,157.19 is: 382,614.09
Step by Step Solution
- Step 1: Write the proportion equation
449,144.49 : 620,041.68 = 277,157.19 : x - Step 2: Convert to fraction form
449,144.49/620,041.68 = 277,157.19/x - Step 3: Cross multiply
449,144.49x = 620,041.68 × 277,157.19 - Step 4: Simplify right side
449,144.49x = 171,849,009,711.68 - Step 5: Solve for x
x = 171,849,009,711.68/449,144.49 - Step 6: Final answer
x = 382,614.09
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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.