Finding the Fourth Proportional to 231,324.42, 319,199.58 and 127,944.66
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Solution
The fourth proportional to 231,324.42, 319,199.58 and 127,944.66 is: 176,548.08
Step by Step Solution
- Step 1: Write the proportion equation
231,324.42 : 319,199.58 = 127,944.66 : x - Step 2: Convert to fraction form
231,324.42/319,199.58 = 127,944.66/x - Step 3: Cross multiply
231,324.42x = 319,199.58 × 127,944.66 - Step 4: Simplify right side
231,324.42x = 40,839,881,735.24 - Step 5: Solve for x
x = 40,839,881,735.24/231,324.42 - Step 6: Final answer
x = 176,548.08
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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.