Finding the Fourth Proportional to 449,270.18, 618,939.24 and 313,056.99
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Solution
The fourth proportional to 449,270.18, 618,939.24 and 313,056.99 is: 431,284.48
Step by Step Solution
- Step 1: Write the proportion equation
449,270.18 : 618,939.24 = 313,056.99 : x - Step 2: Convert to fraction form
449,270.18/618,939.24 = 313,056.99/x - Step 3: Cross multiply
449,270.18x = 618,939.24 × 313,056.99 - Step 4: Simplify right side
449,270.18x = 193,763,255,467.29 - Step 5: Solve for x
x = 193,763,255,467.29/449,270.18 - Step 6: Final answer
x = 431,284.48
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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.