Finding the Fourth Proportional to 234,991.62, 324,294.21 and 127,561.41
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Solution
The fourth proportional to 234,991.62, 324,294.21 and 127,561.41 is: 176,037.88
Step by Step Solution
- Step 1: Write the proportion equation
234,991.62 : 324,294.21 = 127,561.41 : x - Step 2: Convert to fraction form
234,991.62/324,294.21 = 127,561.41/x - Step 3: Cross multiply
234,991.62x = 324,294.21 × 127,561.41 - Step 4: Simplify right side
234,991.62x = 41,367,426,682.44 - Step 5: Solve for x
x = 41,367,426,682.44/234,991.62 - Step 6: Final answer
x = 176,037.88
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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.