Finding the Fourth Proportional to 253,282.88, 379,944.36 and 84,804.08
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Solution
The fourth proportional to 253,282.88, 379,944.36 and 84,804.08 is: 127,212.83
Step by Step Solution
- Step 1: Write the proportion equation
253,282.88 : 379,944.36 = 84,804.08 : x - Step 2: Convert to fraction form
253,282.88/379,944.36 = 84,804.08/x - Step 3: Cross multiply
253,282.88x = 379,944.36 × 84,804.08 - Step 4: Simplify right side
253,282.88x = 32,220,831,900.99 - Step 5: Solve for x
x = 32,220,831,900.99/253,282.88 - Step 6: Final answer
x = 127,212.83
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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.