Finding the Fourth Proportional to 122,837.28, 184,253.84 and 55,331.76
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Solution
The fourth proportional to 122,837.28, 184,253.84 and 55,331.76 is: 82,996.70
Step by Step Solution
- Step 1: Write the proportion equation
122,837.28 : 184,253.84 = 55,331.76 : x - Step 2: Convert to fraction form
122,837.28/184,253.84 = 55,331.76/x - Step 3: Cross multiply
122,837.28x = 184,253.84 × 55,331.76 - Step 4: Simplify right side
122,837.28x = 10,195,089,253.96 - Step 5: Solve for x
x = 10,195,089,253.96/122,837.28 - Step 6: Final answer
x = 82,996.70
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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.