Finding the Fourth Proportional to 192,014.64, 264,992.94 and 107,133.54
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Solution
The fourth proportional to 192,014.64, 264,992.94 and 107,133.54 is: 147,851.39
Step by Step Solution
- Step 1: Write the proportion equation
192,014.64 : 264,992.94 = 107,133.54 : x - Step 2: Convert to fraction form
192,014.64/264,992.94 = 107,133.54/x - Step 3: Cross multiply
192,014.64x = 264,992.94 × 107,133.54 - Step 4: Simplify right side
192,014.64x = 28,389,631,737.21 - Step 5: Solve for x
x = 28,389,631,737.21/192,014.64 - Step 6: Final answer
x = 147,851.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.