Finding the Fourth Proportional to 128,299.36, 192,401.19 and 44,035.63
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Solution
The fourth proportional to 128,299.36, 192,401.19 and 44,035.63 is: 66,037.02
Step by Step Solution
- Step 1: Write the proportion equation
128,299.36 : 192,401.19 = 44,035.63 : x - Step 2: Convert to fraction form
128,299.36/192,401.19 = 44,035.63/x - Step 3: Cross multiply
128,299.36x = 192,401.19 × 44,035.63 - Step 4: Simplify right side
128,299.36x = 8,472,507,614.40 - Step 5: Solve for x
x = 8,472,507,614.40/128,299.36 - Step 6: Final answer
x = 66,037.02
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1.5x scale
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.