Finding the Fourth Proportional to 192,313.17, 288,533.84 and 121,153.65
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Solution
The fourth proportional to 192,313.17, 288,533.84 and 121,153.65 is: 181,770.85
Step by Step Solution
- Step 1: Write the proportion equation
192,313.17 : 288,533.84 = 121,153.65 : x - Step 2: Convert to fraction form
192,313.17/288,533.84 = 121,153.65/x - Step 3: Cross multiply
192,313.17x = 288,533.84 × 121,153.65 - Step 4: Simplify right side
192,313.17x = 34,956,927,258.75 - Step 5: Solve for x
x = 34,956,927,258.75/192,313.17 - Step 6: Final answer
x = 181,770.85
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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.