Finding the Fourth Proportional to 451,029.25, 676,583.84 and 118,605.25
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Solution
The fourth proportional to 451,029.25, 676,583.84 and 118,605.25 is: 177,918.38
Step by Step Solution
- Step 1: Write the proportion equation
451,029.25 : 676,583.84 = 118,605.25 : x - Step 2: Convert to fraction form
451,029.25/676,583.84 = 118,605.25/x - Step 3: Cross multiply
451,029.25x = 676,583.84 × 118,605.25 - Step 4: Simplify right side
451,029.25x = 80,246,394,896.13 - Step 5: Solve for x
x = 80,246,394,896.13/451,029.25 - Step 6: Final answer
x = 177,918.38
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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.