Finding the Fourth Proportional to 146,249.24, 201,824.58 and 79,181.24
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Solution
The fourth proportional to 146,249.24, 201,824.58 and 79,181.24 is: 109,270.45
Step by Step Solution
- Step 1: Write the proportion equation
146,249.24 : 201,824.58 = 79,181.24 : x - Step 2: Convert to fraction form
146,249.24/201,824.58 = 79,181.24/x - Step 3: Cross multiply
146,249.24x = 201,824.58 × 79,181.24 - Step 4: Simplify right side
146,249.24x = 15,980,720,506.88 - Step 5: Solve for x
x = 15,980,720,506.88/146,249.24 - Step 6: Final answer
x = 109,270.45
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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.