Finding the Fourth Proportional to 104,765.84, 157,144.50 and 25,878.08
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Solution
The fourth proportional to 104,765.84, 157,144.50 and 25,878.08 is: 38,816.07
Step by Step Solution
- Step 1: Write the proportion equation
104,765.84 : 157,144.50 = 25,878.08 : x - Step 2: Convert to fraction form
104,765.84/157,144.50 = 25,878.08/x - Step 3: Cross multiply
104,765.84x = 157,144.50 × 25,878.08 - Step 4: Simplify right side
104,765.84x = 4,066,597,942.56 - Step 5: Solve for x
x = 4,066,597,942.56/104,765.84 - Step 6: Final answer
x = 38,816.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.