Finding the Fourth Proportional to 419,403.24, 629,101.02 and 170,025.96
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Solution
The fourth proportional to 419,403.24, 629,101.02 and 170,025.96 is: 255,037.38
Step by Step Solution
- Step 1: Write the proportion equation
419,403.24 : 629,101.02 = 170,025.96 : x - Step 2: Convert to fraction form
419,403.24/629,101.02 = 170,025.96/x - Step 3: Cross multiply
419,403.24x = 629,101.02 × 170,025.96 - Step 4: Simplify right side
419,403.24x = 106,963,504,862.48 - Step 5: Solve for x
x = 106,963,504,862.48/419,403.24 - Step 6: Final answer
x = 255,037.38
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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.