Finding the Fourth Proportional to 151,278.44, 227,038.62 and 68,178.92
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Solution
The fourth proportional to 151,278.44, 227,038.62 and 68,178.92 is: 102,322.89
Step by Step Solution
- Step 1: Write the proportion equation
151,278.44 : 227,038.62 = 68,178.92 : x - Step 2: Convert to fraction form
151,278.44/227,038.62 = 68,178.92/x - Step 3: Cross multiply
151,278.44x = 227,038.62 × 68,178.92 - Step 4: Simplify right side
151,278.44x = 15,479,247,909.89 - Step 5: Solve for x
x = 15,479,247,909.89/151,278.44 - Step 6: Final answer
x = 102,322.89
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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.