Finding the Fourth Proportional to 151,719.80, 227,579.70 and 122,195.30
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Solution
The fourth proportional to 151,719.80, 227,579.70 and 122,195.30 is: 183,292.95
Step by Step Solution
- Step 1: Write the proportion equation
151,719.80 : 227,579.70 = 122,195.30 : x - Step 2: Convert to fraction form
151,719.80/227,579.70 = 122,195.30/x - Step 3: Cross multiply
151,719.80x = 227,579.70 × 122,195.30 - Step 4: Simplify right side
151,719.80x = 27,809,169,715.41 - Step 5: Solve for x
x = 27,809,169,715.41/151,719.80 - Step 6: Final answer
x = 183,292.95
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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.