Finding the Fourth Proportional to 413,745.80, 620,618.70 and 177,549.80
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Solution
The fourth proportional to 413,745.80, 620,618.70 and 177,549.80 is: 266,324.70
Step by Step Solution
- Step 1: Write the proportion equation
413,745.80 : 620,618.70 = 177,549.80 : x - Step 2: Convert to fraction form
413,745.80/620,618.70 = 177,549.80/x - Step 3: Cross multiply
413,745.80x = 620,618.70 × 177,549.80 - Step 4: Simplify right side
413,745.80x = 110,190,726,061.26 - Step 5: Solve for x
x = 110,190,726,061.26/413,745.80 - Step 6: Final answer
x = 266,324.70
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1.5x scale
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.