Finding the Fourth Proportional to 128,672.24, 192,971.38 and 44,410.52
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Solution
The fourth proportional to 128,672.24, 192,971.38 and 44,410.52 is: 66,603.02
Step by Step Solution
- Step 1: Write the proportion equation
128,672.24 : 192,971.38 = 44,410.52 : x - Step 2: Convert to fraction form
128,672.24/192,971.38 = 44,410.52/x - Step 3: Cross multiply
128,672.24x = 192,971.38 × 44,410.52 - Step 4: Simplify right side
128,672.24x = 8,569,959,330.92 - Step 5: Solve for x
x = 8,569,959,330.92/128,672.24 - Step 6: Final answer
x = 66,603.02
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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.