Finding the Fourth Proportional to 416,631.06, 624,975.95 and 206,212.50
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Solution
The fourth proportional to 416,631.06, 624,975.95 and 206,212.50 is: 309,333.28
Step by Step Solution
- Step 1: Write the proportion equation
416,631.06 : 624,975.95 = 206,212.50 : x - Step 2: Convert to fraction form
416,631.06/624,975.95 = 206,212.50/x - Step 3: Cross multiply
416,631.06x = 624,975.95 × 206,212.50 - Step 4: Simplify right side
416,631.06x = 128,877,853,604.91 - Step 5: Solve for x
x = 128,877,853,604.91/416,631.06 - Step 6: Final answer
x = 309,333.28
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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.