Finding the Fourth Proportional to 272,395.40, 408,074.70 and 161,457.80
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Solution
The fourth proportional to 272,395.40, 408,074.70 and 161,457.80 is: 241,879.43
Step by Step Solution
- Step 1: Write the proportion equation
272,395.40 : 408,074.70 = 161,457.80 : x - Step 2: Convert to fraction form
272,395.40/408,074.70 = 161,457.80/x - Step 3: Cross multiply
272,395.40x = 408,074.70 × 161,457.80 - Step 4: Simplify right side
272,395.40x = 65,886,843,297.66 - Step 5: Solve for x
x = 65,886,843,297.66/272,395.40 - Step 6: Final answer
x = 241,879.43
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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.