Finding the Fourth Proportional to 311,853.80, 430,468.83 and 184,529.09
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Solution
The fourth proportional to 311,853.80, 430,468.83 and 184,529.09 is: 254,715.58
Step by Step Solution
- Step 1: Write the proportion equation
311,853.80 : 430,468.83 = 184,529.09 : x - Step 2: Convert to fraction form
311,853.80/430,468.83 = 184,529.09/x - Step 3: Cross multiply
311,853.80x = 430,468.83 × 184,529.09 - Step 4: Simplify right side
311,853.80x = 79,434,019,320.92 - Step 5: Solve for x
x = 79,434,019,320.92/311,853.80 - Step 6: Final answer
x = 254,715.58
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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.