Finding the Fourth Proportional to 449,512.74, 674,043.39 and 149,887.26
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Solution
The fourth proportional to 449,512.74, 674,043.39 and 149,887.26 is: 224,755.63
Step by Step Solution
- Step 1: Write the proportion equation
449,512.74 : 674,043.39 = 149,887.26 : x - Step 2: Convert to fraction form
449,512.74/674,043.39 = 149,887.26/x - Step 3: Cross multiply
449,512.74x = 674,043.39 × 149,887.26 - Step 4: Simplify right side
449,512.74x = 101,030,516,848.21 - Step 5: Solve for x
x = 101,030,516,848.21/449,512.74 - Step 6: Final answer
x = 224,755.63
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1.5x scale
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.