Finding the Fourth Proportional to 183,574.62, 252,860.94 and 129,767.10
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Solution
The fourth proportional to 183,574.62, 252,860.94 and 129,767.10 is: 178,744.92
Step by Step Solution
- Step 1: Write the proportion equation
183,574.62 : 252,860.94 = 129,767.10 : x - Step 2: Convert to fraction form
183,574.62/252,860.94 = 129,767.10/x - Step 3: Cross multiply
183,574.62x = 252,860.94 × 129,767.10 - Step 4: Simplify right side
183,574.62x = 32,813,030,887.07 - Step 5: Solve for x
x = 32,813,030,887.07/183,574.62 - Step 6: Final answer
x = 178,744.92
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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.