Finding the Fourth Proportional to 231,471.36, 319,502.16 and 134,704.08
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Solution
The fourth proportional to 231,471.36, 319,502.16 and 134,704.08 is: 185,933.35
Step by Step Solution
- Step 1: Write the proportion equation
231,471.36 : 319,502.16 = 134,704.08 : x - Step 2: Convert to fraction form
231,471.36/319,502.16 = 134,704.08/x - Step 3: Cross multiply
231,471.36x = 319,502.16 × 134,704.08 - Step 4: Simplify right side
231,471.36x = 43,038,244,520.81 - Step 5: Solve for x
x = 43,038,244,520.81/231,471.36 - Step 6: Final answer
x = 185,933.35
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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.