Finding the Fourth Proportional to 416,632.14, 624,977.64 and 206,213.58
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Solution
The fourth proportional to 416,632.14, 624,977.64 and 206,213.58 is: 309,334.94
Step by Step Solution
- Step 1: Write the proportion equation
416,632.14 : 624,977.64 = 206,213.58 : x - Step 2: Convert to fraction form
416,632.14/624,977.64 = 206,213.58/x - Step 3: Cross multiply
416,632.14x = 624,977.64 × 206,213.58 - Step 4: Simplify right side
416,632.14x = 128,878,876,564.35 - Step 5: Solve for x
x = 128,878,876,564.35/416,632.14 - Step 6: Final answer
x = 309,334.94
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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.