Finding the Fourth Proportional to 190,822.05, 286,364.25 and 66,163.05
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Solution
The fourth proportional to 190,822.05, 286,364.25 and 66,163.05 is: 99,290.06
Step by Step Solution
- Step 1: Write the proportion equation
190,822.05 : 286,364.25 = 66,163.05 : x - Step 2: Convert to fraction form
190,822.05/286,364.25 = 66,163.05/x - Step 3: Cross multiply
190,822.05x = 286,364.25 × 66,163.05 - Step 4: Simplify right side
190,822.05x = 18,946,732,190.96 - Step 5: Solve for x
x = 18,946,732,190.96/190,822.05 - Step 6: Final answer
x = 99,290.06
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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.