Finding the Fourth Proportional to 311,853.64, 430,468.68 and 184,528.96
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Solution
The fourth proportional to 311,853.64, 430,468.68 and 184,528.96 is: 254,715.44
Step by Step Solution
- Step 1: Write the proportion equation
311,853.64 : 430,468.68 = 184,528.96 : x - Step 2: Convert to fraction form
311,853.64/430,468.68 = 184,528.96/x - Step 3: Cross multiply
311,853.64x = 430,468.68 × 184,528.96 - Step 4: Simplify right side
311,853.64x = 79,433,937,832.97 - Step 5: Solve for x
x = 79,433,937,832.97/311,853.64 - Step 6: Final answer
x = 254,715.44
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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.