Finding the Fourth Proportional to 253,383.68, 380,020.16 and 84,927.68
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Solution
The fourth proportional to 253,383.68, 380,020.16 and 84,927.68 is: 127,372.96
Step by Step Solution
- Step 1: Write the proportion equation
253,383.68 : 380,020.16 = 84,927.68 : x - Step 2: Convert to fraction form
253,383.68/380,020.16 = 84,927.68/x - Step 3: Cross multiply
253,383.68x = 380,020.16 × 84,927.68 - Step 4: Simplify right side
253,383.68x = 32,274,230,542.03 - Step 5: Solve for x
x = 32,274,230,542.03/253,383.68 - Step 6: Final answer
x = 127,372.96
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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.