Finding the Fourth Proportional to 416,492.86, 624,739.26 and 100,949.75
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Solution
The fourth proportional to 416,492.86, 624,739.26 and 100,949.75 is: 151,424.62
Step by Step Solution
- Step 1: Write the proportion equation
416,492.86 : 624,739.26 = 100,949.75 : x - Step 2: Convert to fraction form
416,492.86/624,739.26 = 100,949.75/x - Step 3: Cross multiply
416,492.86x = 624,739.26 × 100,949.75 - Step 4: Simplify right side
416,492.86x = 63,067,272,112.19 - Step 5: Solve for x
x = 63,067,272,112.19/416,492.86 - Step 6: Final answer
x = 151,424.62
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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.