Finding the Fourth Proportional to 448,108.09, 618,381.34 and 244,160.70
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Solution
The fourth proportional to 448,108.09, 618,381.34 and 244,160.70 is: 336,937.50
Step by Step Solution
- Step 1: Write the proportion equation
448,108.09 : 618,381.34 = 244,160.70 : x - Step 2: Convert to fraction form
448,108.09/618,381.34 = 244,160.70/x - Step 3: Cross multiply
448,108.09x = 618,381.34 × 244,160.70 - Step 4: Simplify right side
448,108.09x = 150,984,417,912.01 - Step 5: Solve for x
x = 150,984,417,912.01/448,108.09 - Step 6: Final answer
x = 336,937.50
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1.5x scale
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.