Finding the Fourth Proportional to 254,161.08, 350,744.99 and 139,439.97
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Solution
The fourth proportional to 254,161.08, 350,744.99 and 139,439.97 is: 192,428.64
Step by Step Solution
- Step 1: Write the proportion equation
254,161.08 : 350,744.99 = 139,439.97 : x - Step 2: Convert to fraction form
254,161.08/350,744.99 = 139,439.97/x - Step 3: Cross multiply
254,161.08x = 350,744.99 × 139,439.97 - Step 4: Simplify right side
254,161.08x = 48,907,870,186.05 - Step 5: Solve for x
x = 48,907,870,186.05/254,161.08 - Step 6: Final answer
x = 192,428.64
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.