Finding the Fourth Proportional to 171,327.68, 236,457.06 and 98,716.44
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Solution
The fourth proportional to 171,327.68, 236,457.06 and 98,716.44 is: 136,243.01
Step by Step Solution
- Step 1: Write the proportion equation
171,327.68 : 236,457.06 = 98,716.44 : x - Step 2: Convert to fraction form
171,327.68/236,457.06 = 98,716.44/x - Step 3: Cross multiply
171,327.68x = 236,457.06 × 98,716.44 - Step 4: Simplify right side
171,327.68x = 23,342,199,176.07 - Step 5: Solve for x
x = 23,342,199,176.07/171,327.68 - Step 6: Final answer
x = 136,243.01
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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.