Finding the Fourth Proportional to 128,299.34, 192,393.99 and 44,067.98
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Solution
The fourth proportional to 128,299.34, 192,393.99 and 44,067.98 is: 66,083.07
Step by Step Solution
- Step 1: Write the proportion equation
128,299.34 : 192,393.99 = 44,067.98 : x - Step 2: Convert to fraction form
128,299.34/192,393.99 = 44,067.98/x - Step 3: Cross multiply
128,299.34x = 192,393.99 × 44,067.98 - Step 4: Simplify right side
128,299.34x = 8,478,414,503.44 - Step 5: Solve for x
x = 8,478,414,503.44/128,299.34 - Step 6: Final answer
x = 66,083.07
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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.