Finding the Fourth Proportional to 253,163.68, 379,603.36 and 84,595.20
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Solution
The fourth proportional to 253,163.68, 379,603.36 and 84,595.20 is: 126,845.30
Step by Step Solution
- Step 1: Write the proportion equation
253,163.68 : 379,603.36 = 84,595.20 : x - Step 2: Convert to fraction form
253,163.68/379,603.36 = 84,595.20/x - Step 3: Cross multiply
253,163.68x = 379,603.36 × 84,595.20 - Step 4: Simplify right side
253,163.68x = 32,112,622,159.87 - Step 5: Solve for x
x = 32,112,622,159.87/253,163.68 - Step 6: Final answer
x = 126,845.30
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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.