Finding the Fourth Proportional to 419,040.18, 628,556.88 and 277,518.80
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Solution
The fourth proportional to 419,040.18, 628,556.88 and 277,518.80 is: 416,275.95
Step by Step Solution
- Step 1: Write the proportion equation
419,040.18 : 628,556.88 = 277,518.80 : x - Step 2: Convert to fraction form
419,040.18/628,556.88 = 277,518.80/x - Step 3: Cross multiply
419,040.18x = 628,556.88 × 277,518.80 - Step 4: Simplify right side
419,040.18x = 174,436,351,069.34 - Step 5: Solve for x
x = 174,436,351,069.34/419,040.18 - Step 6: Final answer
x = 416,275.95
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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.